@ 2014-10-07T06:37:31Z <?php
$content = <<<CONTENT
bab
@tag
CONTENT;
$matches = array();
var_dump(preg_match('/^a/', $content, $matches, 0, 1) === 1);
var_dump(preg_match('/^(\A|\n)\w*@/', $content, $matches, 0, 1) === 1);
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Output for 4.3.3 - 4.3.11 , 4.4.0 - 4.4.9 , 5.0.0 - 5.0.5 , 5.1.0 - 5.1.6 , 5.2.0 - 5.2.17 , 5.3.0 - 5.3.29 , 5.4.0 - 5.4.45 , 5.5.24 - 5.5.35 , 5.6.8 - 5.6.28 , 7.0.0 - 7.0.20 , 7.1.0 - 7.1.25 , 7.2.0 - 7.2.33 , 7.3.0 - 7.3.33 , 7.4.0 - 7.4.33 , 8.0.0 - 8.0.30 , 8.1.0 - 8.1.28 , 8.2.0 - 8.2.18 , 8.3.0 - 8.3.6 bool(false)
bool(false)
Output for 4.3.0 - 4.3.2 Warning: Wrong parameter count for preg_match() in /in/vVHaO on line 8
bool(false)
Warning: Wrong parameter count for preg_match() in /in/vVHaO on line 9
bool(false)
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288.18 ms | 402 KiB | 327 Q