3v4l.org

run code in 300+ PHP versions simultaneously
<?php function $greet($name){ printf("Hello %s\r\n", $name); }; $greet('PHP'); ?>
Output for 5.4.0 - 5.4.22
Parse error: syntax error, unexpected '$greet' (T_VARIABLE), expecting identifier (T_STRING) or '(' in /in/XvZHZ on line 2
Process exited with code 255.
Output for 5.3.0 - 5.3.27
Parse error: syntax error, unexpected T_VARIABLE, expecting T_STRING or '(' in /in/XvZHZ on line 2
Process exited with code 255.
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180.41 ms | 1395 KiB | 58 Q