return value not set on warning
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flip111 commented
php
<?php
$return = preg_match('/(\d+/', '');
var_dump($return);
php output
» php regex.php
PHP Warning: preg_match(): Compilation failed: missing closing parenthesis at offset 4 in /home/flip111/regex.php on line 3
bool(false)
psysh
>>> $return = preg_match('/(\d+/', '');
PHP Warning: preg_match(): Compilation failed: missing closing parenthesis at offset 4 in /home/flip111/.configeval()'d code on line 1
>>> $return
PHP Notice: Undefined variable: return in /home/flip111/.configeval()'d code on line 1