PHP ahocorasick_match Examples

Example #1

File: benchmark.php Project: pombredanne/php_aho_corasick

    $curTime = microtime(true) - $curTime;
    $sum += $curTime;
}
// average?
$avgNaive = $sum / (double) $sampleCount;
printf("Classic search; sampleCount: %d; keySize: %d; timeAvg: %f\n\n", $sampleCount, $keySize, $avgNaive);
// do advanced search - aho corasick
$memStart = memory_get_usage();
$overalTime = array();
$sum = 0;
for ($j = 0; $j < $sampleCount; $j++) {
    $curTime = microtime(true);
    // init aho structure
    $data = array();
    for ($i = 0; $i < $keySize; $i++) {
        $data[] = array('id' => $i, 'value' => $randomKeys[$i], 'aux' => $randomBuffers);
    }
    $c = ahocorasick_init($data);
    foreach ($randomBuffers as $randomBuffer) {
        $d = ahocorasick_match($randomBuffer, $c);
    }
    ahocorasick_deinit($c);
    $curTime = microtime(true) - $curTime;
    $sum += $curTime;
    unset($data);
    unset($d);
}
$memStop = memory_get_usage();
$avgAho = $sum / (double) $sampleCount;
printf("AhoCorasick search; sampleCount: %d; keySize: %d; timeAvg: %f s, totalTime: %f s, memory increase: %d B\n\n", $sampleCount, $keySize, $avgAho, $sum, $memStop - $memStart);
printf("AhoCorasick pattern matching is %f times faster than naive approach\n", $avgNaive / $avgAho);

Example #2

File: test3.php Project: pombredanne/php_aho_corasick

<?php

// initialize search , returns resourceID for search structure
$c = ahocorasick_init(array());
ahocorasick_add_patterns($c, array(array('key' => 'ab', 'value' => 'alfa')));
ahocorasick_add_patterns($c, array(array('key' => 'ac', 'value' => 'beta')));
ahocorasick_add_patterns($c, array(array('key' => 'ad', 'value' => 'gamma', 'aux' => array(1))));
ahocorasick_add_patterns($c, array(array('key' => 'ae', 'value' => 'delta')));
ahocorasick_add_patterns($c, array(array('id' => 0, 'value' => 'zeta'), array('key' => 'ag', 'value' => 'omega'), array('value' => 'lfa')));
// perform search 1
$d1 = ahocorasick_match("alFABETA gamma zetaomegaalfa!", $c);
//unset($d1);
// deinitialize search structure (will free memory)
ahocorasick_deinit($c);
var_dump($d1);

Example #3

File: test.php Project: 98002014/php_aho_corasick

<?php

echo "Going to init: \n";
$data = array(array('key' => 'ab', 'value' => 'alfa', 'ignoreCase' => true), array('key' => 'ac', 'value' => 'beta', 'ignoreCase' => true), array('key' => 'ad', 'value' => 'gamma', 'ignoreCase' => true), array('key' => 'ae', 'value' => 'delta', 'ignoreCase' => true), array('key' => 'af', 'value' => 'zeta', 'ignoreCase' => true), array('key' => 'ag', 'value' => 'omega', 'ignoreCase' => true), array('key' => 'ah', 'value' => 'lfa', 'ignoreCase' => true));
$c = ahocorasick_init($data);
var_dump($c);
$d = ahocorasick_match("alFABETA gammadelta delta delta!", $c);
var_dump($d);
$d = ahocorasick_match("alFABETAABECEDAAAA!", $c);
var_dump($d);
$d = ahocorasick_match("alFABETAABECEDAAAA!", $c, false);
var_dump($d);
$d = ahocorasick_match("alFABETAABECEDAAAA!", $c, true);
var_dump($d);
var_dump(ahocorasick_isValid($c));
var_dump(ahocorasick_deinit($c));
var_dump($c);
if ($c) {
    var_dump(ahocorasick_isValid($c));
    var_dump(ahocorasick_deinit($c));
}

Example #4

File: test2.php Project: 98002014/php_aho_corasick

<?php

$data = array(array('key' => 'ab', 'value' => 'alfa', 'ignoreCase' => true), array('key' => 'ac', 'value' => 'beta', 'ignoreCase' => true), array('key' => 'ad', 'value' => 'gamma', 'ignoreCase' => true), array('key' => 'ae', 'value' => 'delta', 'ignoreCase' => true), array('key' => 'af', 'value' => 'zeta', 'ignoreCase' => true), array('key' => 'ag', 'value' => 'omega', 'ignoreCase' => true), array('key' => 'ah', 'value' => 'lfa', 'ignoreCase' => true));
// initialize search structure
$c = ahocorasick_init($data);
// perform search 1
$d1 = ahocorasick_match("alFABETA gammadelta delta delta!", $c);
// perform search 2
$d2 = ahocorasick_match("alfa zeta omegaomegalfa", $c);
// deinitialize search structure (will free memory)
ahocorasick_deinit($c);
var_dump($d1);
var_dump($d2);

Example #5

File: test2.php Project: pombredanne/php_aho_corasick

// Memoty test.
echo "AhoCorasick struct: ";
var_dump($c);
$str = "alFABETA gammadelta delta delta simple pie! aux ssščř+ééžž ččř é é-é éeéee éé aux2 aux3 aux2";
$d = ahocorasick_match($str, $c);
echo "AhoCorasick match for ahocorasick_match(\"{$str}\", c): ";
var_dump($d);
$str = "alFABETAABECEDAAAA!";
$d = ahocorasick_match($str, $c);
echo "AhoCorasick match for ahocorasick_match(\"{$str}\", c): ";
var_dump($d);
$str = "alFABETAABECEDAAAA!";
$d = ahocorasick_match($str, $c, false);
echo "AhoCorasick match for ahocorasick_match(\"{$str}\", c, false): ";
var_dump($d);
$str = "alFABETAABECEDAAAA!";
$d = ahocorasick_match($str, $c, true);
echo "AhoCorasick match for ahocorasick_match(\"{$str}\", c, true): ";
var_dump($d);
echo "AhoCorasick isValid(c): ";
var_dump(ahocorasick_isValid($c));
echo "AhoCorasick deinit(c): ";
var_dump(ahocorasick_deinit($c));
echo "AhoCorasick struct: ";
var_dump($c);
if ($c) {
    echo "AhoCorasick isValid(c): ";
    var_dump(ahocorasick_isValid($c));
    echo "AhoCorasick deinit(c): ";
    var_dump(ahocorasick_deinit($c));
}