44 lines
1.2 KiB
PHP
44 lines
1.2 KiB
PHP
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<?php
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// Simple substring search benchmark
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// https://gist.github.com/anthonyaxenov/045dac59676826236319199df1597bb5
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$string = str_repeat('1', 100);
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$max = 5000;
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$results = [
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'preg_match_all' => [
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'total' => 0,
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'avg' => 0
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],
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'substr_count' => [
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'total' => 0,
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'avg' => 0
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],
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'count_chars' => [
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'total' => 0,
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'avg' => 0
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],
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];
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for ($i = 0; $i < $max; ++$i) {
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$start = microtime(true);
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preg_match_all('/1/', $string);
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$results['preg_match_all']['total'] += round((microtime(true) - $start), 8);
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}
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$results['preg_match_all']['avg'] = round($results['preg_match_all']['total'] / $max, 8);
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for ($i = 0; $i < $max; ++$i) {
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$start = microtime(true);
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substr_count($string, '1');
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$results['substr_count']['total'] += round((microtime(true) - $start), 8);
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}
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$results['substr_count']['avg'] = round($results['substr_count']['total'] / $max, 8);
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for ($i = 0; $i < $max; ++$i) {
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$start = microtime(true);
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count_chars($string, 1);
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$results['count_chars']['total'] += round((microtime(true) - $start), 8);
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}
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$results['count_chars']['avg'] = round($results['count_chars']['total'] / $max, 8);
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print_r($results);
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