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<?php $values = array( 0, 1, '1', 1.1, 1.00, 1.01, 2.33, 3.445, -3.45, 12.3432 ); foreach($values as $value) { $isValid = false; // $value = abs($value); //$regexp = '/^[0-9]+\.[0-9][0-9]?$/'; //$result = preg_match($regexp, $value, $matches); $regexp = '/^[0-9]+?$/'; var_dump((bool)preg_match($regexp, $value)); if(count($matches) == 1) $isValid = true; var_dump($result); if($isValid) { echo $value."\n"; } }
Output for git.master, git.master_jit, rfc.property-hooks
bool(true) Warning: Undefined variable $matches in /in/96aui on line 31 Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, null given in /in/96aui:31 Stack trace: #0 {main} thrown in /in/96aui on line 31
Process exited with code 255.

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