PHP Classes

File: examples/preg_match_all.php

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  Classes of Christian Vigh   PHP Search Large Files   examples/preg_match_all.php   Download  
File: examples/preg_match_all.php
Role: Example script
Content type: text/plain
Description: Example script
Class: PHP Search Large Files
Search large files that would not fit in memory
Author: By
Last change: Updated examples according to API changes
Date: 8 years ago
Size: 797 bytes
 

Contents

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<?php
    include ( '../SearchableFile.phpclass' ) ;
    $file = 'verybigfile.rtf' ;
    $re = '/\\\\pict/' ;

    $t1 = microtime ( true ) ;
   
    $sf = new SearchableFile ( ) ;
    $sf -> Open ( $file ) ;

    $offset = 0 ;
    $status1 = $sf -> pcre_match_all ( $re, $matches1, PREG_OFFSET_CAPTURE, $offset ) ;
    $count1 = count ( $matches1 ) ;
   
    $t2 = microtime ( true ) ;
   
    $contents = file_get_contents ( $file ) ;
    $offset = 0 ;
    $status2 = preg_match_all ( $re, $contents, $matches2, PREG_OFFSET_CAPTURE, $offset ) ;
    $count2 = count ( $matches1 ) ;

    $t3 = microtime ( true ) ;
   
    echo "Elapsed (SearchableFile) : " . round ( $t2 - $t1, 3 ) . " (count = $count1)\n" ;
    echo "Elapsed (preg_match_all) : " . round ( $t3 - $t2, 3 ) . " (count = $count2)\n" ;