3v4l.org

run code in 300+ PHP versions simultaneously
<?php $values = array( 0, 1, '1', 1.00, 1.01, 2.33, 3.445 3.45 ); foreach($values as $value) { $regexp = '/^(-)?[0-9]+\.[0-9][0-9]?$/'; preg_match($regexp, $value, $matches); var_dump($matches); }
Output for 5.4.0 - 5.4.28
Parse error: syntax error, unexpected '3.45' (T_DNUMBER), expecting ')' in /in/4NsZE on line 10
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected T_DNUMBER, expecting ')' in /in/4NsZE on line 10
Process exited with code 255.
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