@ 2014-09-16T17:24:39Z <?php
$string = 'Lorem ipsum dolor sit amet.';
$alphanumeric = preg_match('~^[\pL\pN]++$~iu');
var_dump($alphanumeric);
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Output for 8.0.0 - 8.0.30 , 8.1.0 - 8.1.28 , 8.2.0 - 8.2.18 , 8.3.0 - 8.3.6 Fatal error: Uncaught ArgumentCountError: preg_match() expects at least 2 arguments, 1 given in /in/7tqsM:5
Stack trace:
#0 /in/7tqsM(5): preg_match('~^[\\pL\\pN]++$~i...')
#1 {main}
thrown in /in/7tqsM on line 5
Process exited with code 255 . 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 - 7.1.20 , 7.2.0 - 7.2.33 , 7.3.16 - 7.3.33 , 7.4.0 - 7.4.33 Warning: preg_match() expects at least 2 parameters, 1 given in /in/7tqsM on line 5
bool(false)
Output for 4.3.0 - 4.3.2 Warning: Wrong parameter count for preg_match() in /in/7tqsM on line 5
NULL
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185.32 ms | 401 KiB | 312 Q