1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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3 | "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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4 | <!ENTITY % general-entities SYSTEM "../../general.ent">
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5 | %general-entities;
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6 |
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7 | <!ENTITY php-download-http "http://us2.php.net/distributions/php-&php-version;.tar.bz2">
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8 | <!ENTITY php-download-ftp "ftp://ftp.isu.edu.tw/pub/Unix/Web/PHP/distributions/php-&php-version;.tar.bz2">
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9 | <!ENTITY php-md5sum "9cd421f1cc8fa8e7f215e44a1b06199f">
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10 | <!ENTITY php-size "10.5 MB">
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11 | <!ENTITY php-buildsize "315 MB (includes installing all documentation)">
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12 | <!ENTITY php-time "2.5 SBU (additional 2.2 SBU to run the test suite)">
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13 | ]>
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14 |
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15 | <sect1 id="php" xreflabel="PHP-&php-version;">
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16 | <?dbhtml filename="php.html"?>
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17 |
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18 | <sect1info>
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19 | <othername>$LastChangedBy$</othername>
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20 | <date>$Date$</date>
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21 | </sect1info>
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22 |
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23 | <title>PHP-&php-version;</title>
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24 |
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25 | <indexterm zone="php">
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26 | <primary sortas="a-PHP">PHP</primary>
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27 | </indexterm>
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28 |
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29 | <sect2 role="package">
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30 | <title>Introduction to PHP</title>
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31 |
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32 | <para><application>PHP</application> is the PHP Hypertext Preprocessor.
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33 | Primarily used in dynamic web sites, it allows for programming code to be
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34 | directly embedded into the HTML markup. It is also useful as a
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35 | general purpose scripting language.</para>
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36 |
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37 | &lfs72_checked;
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38 |
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39 | <bridgehead renderas="sect3">Package Information</bridgehead>
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40 | <itemizedlist spacing="compact">
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41 | <listitem>
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42 | <para>Download (HTTP): <ulink url="&php-download-http;"/></para>
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43 | </listitem>
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44 | <listitem>
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45 | <para>Download (FTP): <ulink url="&php-download-ftp;"/></para>
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46 | </listitem>
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47 | <listitem>
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48 | <para>Download MD5 sum: &php-md5sum;</para>
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49 | </listitem>
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50 | <listitem>
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51 | <para>Download size: &php-size;</para>
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52 | </listitem>
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53 | <listitem>
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54 | <para>Estimated disk space required: &php-buildsize;</para>
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55 | </listitem>
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56 | <listitem>
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57 | <para>Estimated build time: &php-time;</para>
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58 | </listitem>
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59 | </itemizedlist>
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60 |
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61 | <bridgehead renderas="sect3">Additional Downloads</bridgehead>
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62 | <itemizedlist spacing="compact">
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63 | <listitem>
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64 | <para>Pre-built documentation (optional): <ulink
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65 | url="http://www.php.net/download-docs.php"/></para>
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66 | </listitem>
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67 | </itemizedlist>
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68 |
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69 | <bridgehead renderas="sect3">PHP Dependencies</bridgehead>
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70 |
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71 | <bridgehead renderas="sect4">Required</bridgehead>
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72 | <para role="required"><xref linkend="apache"/></para>
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73 |
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74 | <bridgehead renderas="sect4">Recommended</bridgehead>
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75 | <para role="recommended"><xref linkend="libxml2"/></para>
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76 |
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77 | <bridgehead renderas="sect4">Optional System Utilities and Libraries</bridgehead>
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78 | <para role="optional"><xref linkend="libxslt"/>,
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79 | <!-- <xref linkend="gamin"/>, -->
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80 | <xref linkend="pcre"/>,
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81 | <xref linkend="aspell"/>,
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82 | <xref linkend="enchant"/>,
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83 | <!-- <xref linkend="pkgconfig"/>, -->
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84 | <!-- <xref linkend="recode"/>, -->
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85 | <xref linkend="expat"/> (deprecated alternative to <xref linkend="libxml2"/>),
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86 | <ulink url="http://www.ossp.org/pkg/lib/mm/">OSSP mm</ulink>,
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87 | <ulink url="http://www.net-snmp.org/">Net-SNMP</ulink>,
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88 | <xref linkend="pth"/>,
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89 | <ulink url="http://re2c.org/">re2c</ulink>,
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90 | <ulink url="http://xmlrpc-epi.sourceforge.net/main.php?t=php_about">XMLRPC-EPI</ulink>,
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91 | <ulink url="http://dmalloc.com/">Dmalloc</ulink>, and
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92 | an <xref linkend="server-mail"/> (that provides a
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93 | <command>sendmail</command> command)</para>
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94 |
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95 | <bridgehead renderas="sect4">Optional Graphics Utilities and Libraries</bridgehead>
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96 | <para role="optional"><xref linkend="libjpeg"/>,
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97 | <xref linkend="libtiff"/>,
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98 | <xref linkend="libpng"/>,
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99 | <xref linkend="libexif"/>,
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100 | <xref linkend="freetype2"/>,
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101 | <xref linkend="x-window-system"/>,
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102 | <ulink url="http://www.fastio.com/">ClibPDF</ulink>,
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103 | <ulink url="http://www.libgd.org/Main_Page">GD</ulink>,
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104 | <ulink url="http://www.sfr-fresh.com/linux/misc/t1lib">t1lib</ulink>, and
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105 | <ulink url="http://partners.adobe.com/asn/acrobat/forms.jsp">FDF Toolkit</ulink></para>
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106 |
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107 | <bridgehead renderas="sect4">Optional Web Utilities</bridgehead>
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108 | <para role="optional"><xref linkend="curl"/>,
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109 | <xref linkend="html-tidy"/>,
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110 | <ulink url="http://www.mnogosearch.org/">mnoGoSearch</ulink>,
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111 | <ulink url="http://www.hyperwave.com/">Hyperwave</ulink>,
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112 | <ulink url="http://www.roxen.com/products/webserver/">Roxen WebServer</ulink>,
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113 | <ulink url="http://caudium.net/">Caudium</ulink>, and
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114 | <ulink url="http://www.openwddx.org/">WDDX</ulink></para>
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115 |
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116 | <bridgehead renderas="sect4">Optional Data Management Utilities and Libraries</bridgehead>
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117 | <para role="optional"><xref linkend="openldap"/>,
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118 | <!-- <xref linkend="gdbm"/>, -->
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119 | <xref linkend="db"/>,
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120 | <xref linkend="mysql"/>,
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121 | <xref linkend="postgresql"/>,
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122 | <xref linkend="unixodbc"/>,
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123 | <xref linkend="sqlite"/>,
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124 | <ulink url="http://qdbm.sourceforge.net/">QDBM</ulink>,
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125 | <ulink url="http://cr.yp.to/cdb.html">cdb</ulink>,
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126 | <ulink url="http://www.hughes.com.au/products/msql/">Mini SQL</ulink>,
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127 | <ulink url="http://www.empress.com/">Empress</ulink>,
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128 | <ulink url="http://www.birdstep.com/">Birdstep</ulink>,
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129 | <ulink url="http://www.dbmaker.com/">DBMaker</ulink>,
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130 | <ulink url="http://www.softwareag.com/">Adabas</ulink>,
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131 | <ulink url="http://www.frontbase.com/">FrontBase</ulink>, and
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132 | <ulink url="http://www.mainstreetsoftworks.com/">Monetra</ulink></para>
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133 |
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134 | <para><application>PHP</application> also provides support for many
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135 | commercial database tools such as <application>Oracle</application>,
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136 | <application>SAP</application> and
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137 | <application>ODBC Router</application>.</para>
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138 |
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139 | <bridgehead renderas="sect4">Optional Security/Encryption Utilities and Libraries</bridgehead>
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140 | <para role="optional"><xref linkend="openssl"/>,
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141 | <xref linkend="cyrus-sasl"/>,
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142 | <xref linkend="mitkrb"/>,
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143 | <ulink url="http://mcrypt.sourceforge.net/">libmcrypt</ulink>, and
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144 | <ulink url="http://mhash.sourceforge.net/">mhash</ulink></para>
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145 |
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146 | <para condition="html" role="usernotes">User Notes:
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147 | <ulink url="&blfs-wiki;/php"/></para>
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148 |
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149 | </sect2>
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150 |
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151 | <sect2 role="installation">
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152 | <title>Installation of PHP</title>
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153 |
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154 | <para>You can use <application>PHP</application> for server-side
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155 | scripting, command-line scripting or client-side GUI applications. This
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156 | book provides instructions for setting up <application>PHP</application>
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157 | for server-side scripting as it is the most common form.</para>
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158 |
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159 | <note>
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160 | <para><application>PHP</application> has many more
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161 | <command>configure</command> options that will enable support for various
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162 | things. You can use <command>./configure --help</command> to see a full
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163 | list of the available options. Also, use of the
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164 | <ulink url="http://www.php.net/">PHP web site</ulink>
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165 | is highly recommended, as their online docs are very good. An example of
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166 | a <command>configure</command> command that utilizes many of the most
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167 | common dependencies can be found at <ulink
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168 | url="&files-anduin;/php_configure.txt"/>.
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169 | </para>
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170 |
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171 | <para>If, for whatever reason, you don't have <xref linkend="libxml2"/>
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172 | installed, you need to add <option>--disable-libxml</option> to the
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173 | <command>configure</command> command in the instructions below. Note that
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174 | this will prevent the <command>pear</command> command from being
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175 | built.</para>
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176 | </note>
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177 |
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178 | <para>Install <application>PHP</application> by
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179 | running the following commands:</para>
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180 |
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181 | <screen><userinput>./configure --prefix=/usr \
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182 | --sysconfdir=/etc \
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183 | --with-apxs2 \
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184 | --with-config-file-path=/etc \
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185 | --with-zlib \
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186 | --enable-bcmath \
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187 | --with-bz2 \
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188 | --enable-calendar \
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189 | --enable-dba=shared \
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190 | --with-gdbm \
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191 | --with-gmp \
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192 | --enable-ftp \
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193 | --with-gettext \
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194 | --enable-mbstring \
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195 | --with-readline &&
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196 | make</userinput></screen>
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197 |
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198 | <para>To test the results, issue: <command>make test</command>. Some of
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199 | the tests are known to fail.</para>
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200 |
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201 | <para>Now, as the <systemitem class="username">root</systemitem> user:</para>
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202 |
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203 | <screen role="root"><userinput>make install &&
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204 | install -v -m644 php.ini-production /etc/php.ini &&
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205 |
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206 | install -v -m755 -d /usr/share/doc/php-&php-version; &&
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207 | install -v -m644 CODING_STANDARDS EXTENSIONS INSTALL NEWS \
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208 | README* UPGRADING* php.gif \
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209 | /usr/share/doc/php-&php-version; &&
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210 | ln -v -sfn /usr/lib/php/doc/Archive_Tar/docs/Archive_Tar.txt \
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211 | /usr/share/doc/php-&php-version; &&
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212 | ln -v -sfn /usr/lib/php/doc/Structures_Graph/docs \
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213 | /usr/share/doc/php-&php-version;</userinput></screen>
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214 |
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215 | <para>The pre-built HTML documentation is packaged in two forms: a tarball
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216 | containing many individual files, useful for quick loading into your
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217 | browser, and one large individual file, which is useful for using the
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218 | search utility of your browser. If you downloaded either, or both, of the
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219 | documentation files, issue the following commands as the
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220 | <systemitem class='username'>root</systemitem> user to install them (note
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221 | these instructions assume English docs, modify the tarball names below if
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222 | necessary).</para>
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223 |
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224 | <para>For the <quote>Single HTML</quote> file:</para>
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225 |
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226 | <screen role="root"><userinput>install -v -m644 ../php_manual_en.html.gz \
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227 | /usr/share/doc/php-&php-version; &&
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228 | gunzip -v /usr/share/doc/php-&php-version;/php_manual_en.html.gz</userinput></screen>
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229 |
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230 | <para>For the <quote>Many HTML files</quote> tarball:</para>
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231 |
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232 | <screen role="root"><userinput>tar -xvf ../php_manual_en.tar.gz \
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233 | -C /usr/share/doc/php-&php-version; --no-same-owner</userinput></screen>
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234 |
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235 | </sect2>
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236 |
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237 | <sect2 role="commands">
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238 | <title>Command Explanations</title>
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239 |
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240 | <para><parameter>--with-apxs2</parameter>: This parameter
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241 | builds the Apache HTTPD 2.0 module.</para>
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242 |
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243 | <para><parameter>--with-config-file-path=/etc</parameter>: This parameter
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244 | makes <application>PHP</application> look for the
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245 | <filename>php.ini</filename> configuration file in
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246 | <filename class='directory'>/etc</filename>.</para>
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247 |
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248 | <para><parameter>--with-zlib</parameter>: This parameter adds
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249 | support for <application>Zlib</application> compression.</para>
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250 |
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251 | <para><parameter>--enable-bcmath</parameter>: Enables
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252 | <command>bc</command> style precision math functions.</para>
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253 |
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254 | <para><parameter>--with-bz2</parameter>: Adds support for
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255 | <application>Bzip2</application> compression functions.</para>
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256 |
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257 | <para><parameter>--enable-calendar</parameter>: This parameter
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258 | provides support for calendar conversion.</para>
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259 |
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260 | <para><parameter>--enable-dba=shared</parameter>: This parameter enables
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261 | support for database (dbm-style) abstraction layer functions.</para>
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262 |
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263 | <para><parameter>--enable-ftp</parameter>: This parameter
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264 | enables FTP functions.</para>
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265 |
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266 | <para><parameter>--with-gettext</parameter>: Enables functions
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267 | that use <application>Gettext</application> text translation.</para>
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268 |
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269 | <para><parameter>--enable-mbstring</parameter>: This parameter
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270 | enables multibyte string support.</para>
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271 |
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272 | <para><parameter>--with-readline</parameter>: This parameter
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273 | enables command line <application>Readline</application> support.</para>
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274 |
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275 | <para><parameter>--disable-libxml</parameter>: This parameter
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276 | allows building PHP without <application>libxml2</application>
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277 | installed.</para>
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278 |
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279 | </sect2>
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280 |
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281 | <sect2 role="configuration">
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282 | <title>Configuring PHP</title>
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283 |
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284 | <sect3 id="php-config">
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285 | <title>Config Files</title>
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286 |
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287 | <para><filename>/etc/php.ini</filename> and
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288 | <filename>/etc/pear.conf</filename></para>
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289 |
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290 | <indexterm zone="php php-config">
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291 | <primary sortas="e-etc-php.ini">/etc/php.ini</primary>
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292 | </indexterm>
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293 |
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294 | <indexterm zone="php php-config">
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295 | <primary sortas="e-etc-pear.conf">/etc/pear.conf</primary>
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296 | </indexterm>
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297 |
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298 | </sect3>
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299 |
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300 | <sect3>
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301 | <title>Configuration Information</title>
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302 |
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303 | <para>The file used as the default <filename>/etc/php.ini</filename>
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304 | configuration file is recommended by the <application>PHP</application>
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305 | development team. This file modifies the default behavior of
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306 | <application>PHP</application>. If no <filename>/etc/php.ini</filename>
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307 | is used, all configuration settings fall to the defaults. You should
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308 | review the comments in this file and ensure the changes are acceptable
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309 | in your particular environment.</para>
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310 |
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311 | <para>You may have noticed the following from the output of the
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312 | <command>make install</command> command:</para>
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313 |
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314 | <screen><computeroutput>You may want to add: /usr/lib/php to your php.ini include_path</computeroutput></screen>
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315 |
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316 | <para>If desired, add the entry using the following command as the
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317 | <systemitem class="username">root</systemitem> user:</para>
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318 |
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319 | <screen role="root"><userinput>sed -i 's@php/includes"@&\ninclude_path = ".:/usr/lib/php"@' \
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320 | /etc/php.ini</userinput></screen>
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321 |
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322 | <para>To enable PHP support in the <application>Apache</application>
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323 | web server, a new LoadModule (which should be handled automatically by the
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324 | <command>make install</command> command) and AddType directives
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325 | must be added to the <filename>httpd.conf</filename> file:</para>
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326 |
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327 | <screen><literal>LoadModule php5_module lib/apache/libphp5.so
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328 | AddType application/x-httpd-php .php</literal></screen>
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329 |
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330 | <para>Additionally, it can be useful to add an entry for
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331 | <filename>index.php</filename> to the DirectoryIndex directive of the
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332 | <filename>httpd.conf</filename> file. Lastly, adding a line to setup the
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333 | <filename class='extension'>.phps</filename> extension to show
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334 | highlighted <application>PHP</application> source may be
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335 | desirable:</para>
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336 |
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337 | <screen><literal>AddType application/x-httpd-php-source .phps</literal></screen>
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338 |
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339 | <para>You'll need to restart the <application>Apache</application> web server
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340 | after making any modifications to the <filename>httpd.conf</filename>
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341 | file.</para>
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342 |
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343 | </sect3>
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344 |
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345 | </sect2>
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346 |
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347 | <sect2 role="content">
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348 | <title>Contents</title>
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349 |
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350 | <segmentedlist>
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351 | <segtitle>Installed Programs</segtitle>
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352 | <segtitle>Installed Library</segtitle>
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353 | <segtitle>Installed Directories</segtitle>
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354 |
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355 | <seglistitem>
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356 | <seg>pear, peardev, pecl, php, php-config and phpize</seg>
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357 | <seg>libphp5.so Apache module</seg>
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358 | <seg>/usr/include/php, /usr/lib/php and
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359 | /usr/share/doc/php-&php-version;</seg>
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360 | </seglistitem>
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361 | </segmentedlist>
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362 |
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363 | <variablelist>
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364 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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365 | <?dbfo list-presentation="list"?>
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366 | <?dbhtml list-presentation="table"?>
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367 |
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368 | <varlistentry id="php-prog">
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369 | <term><command>php</command></term>
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370 | <listitem>
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371 | <para>is a command line interface that enables you to parse and
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372 | execute PHP code.</para>
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373 | <indexterm zone="php php-prog">
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374 | <primary sortas="b-php">php</primary>
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375 | </indexterm>
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376 | </listitem>
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377 | </varlistentry>
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378 |
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379 | <varlistentry id="pear">
|
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380 | <term><command>pear</command></term>
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381 | <listitem>
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382 | <para>is the PHP Extension and Application
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383 | Repository (PEAR) package manager.</para>
|
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384 | <indexterm zone="php pear">
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385 | <primary sortas="b-pear">pear</primary>
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386 | </indexterm>
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387 | </listitem>
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388 | </varlistentry>
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389 |
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390 | </variablelist>
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391 |
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392 | </sect2>
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393 |
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394 | </sect1>
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