3v4l.org

run code in 300+ PHP versions simultaneously
<?php $ = "what"; echo $; ?>
Output for 8.0.0 - 8.0.25, 8.1.0 - 8.1.12
Parse error: syntax error, unexpected character 0x7F, expecting variable or "{" or "$" in /in/jo0tq on line 2
Process exited with code 255.
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: Unexpected character in input: '' (ASCII=127) state=0 in /in/jo0tq on line 2 Parse error: syntax error, unexpected '=', expecting variable (T_VARIABLE) or '{' or '$' in /in/jo0tq on line 2
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33
what

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312.06 ms | 1383 KiB | 340 Q