3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo() { static $array = array(); $i = 0; while ($i < 10000) { $array[] = $i; $i++; } $key = 9999; $exists = array_key_exists($key, $array); $exists === true ? echo 'exists'; : echo 'does not exist'; } foo();
Output for 5.4.0 - 5.4.31
Parse error: syntax error, unexpected 'echo' (T_ECHO) in /in/60jYY on line 18
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_ECHO in /in/60jYY on line 18
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_ECHO in /in/60jYY on line 18
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/60jYY on line 18
Process exited with code 255.
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233.29 ms | 1399 KiB | 122 Q