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run code in 200+ php & hhvm versions
Bugs & Features
<?php $str = 'November 1997'; $str2 = 'November 20, 2001'; $matches = []; preg_match('/\d{4}/', $str,$matches); var_dump( (int) $str, intval($str), filter_var($str, FILTER_SANITIZE_NUMBER_INT), $matches );
based on cOcCY
Output for 5.4.0 - 7.2.0
int(0) int(0) string(4) "1997" array(1) { [0]=> string(4) "1997" }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/4OcRq on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/4OcRq on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/4OcRq on line 4
Process exited with code 255.