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run code in 150+ php & hhvm versions
Bugs & Features
<?php $string = "This is my test string {ABC}. This is test {XYZ}. I am new for PHP {PHP}". $i = 1; echo preg_replace_callback('/\{(.+?)\}/', function (array $match) use (&$i) { return sprintf('{%s %d}', $match[1], $i++); }, $string);
Output for 5.3.0 - 7.1.0
This is my test string {ABC 1}. This is test {XYZ 2}. I am new for PHP {PHP 3}1
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/hlvKA on line 6
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_FUNCTION in /in/hlvKA on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/hlvKA on line 6
Process exited with code 255.