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<?php $text = array('text1', 'text-fixed-font3', 'text2'); foreach($text as $str) { preg_match_all('#\d+#', $str, $matches); var_dump($matches[0][0]); }
based on CLftc
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.4.0 - 5.4.31
Parse error: syntax error, unexpected ''text2'' (T_CONSTANT_ENCAPSED_STRING), expecting ')' in /in/ZLKBE on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.28
Parse error: syntax error, unexpected T_CONSTANT_ENCAPSED_STRING, expecting ')' in /in/ZLKBE on line 3
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 T_CONSTANT_ENCAPSED_STRING, expecting ')' in /in/ZLKBE on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/ZLKBE on line 3
Process exited with code 255.