3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump( 0a123 ); var_dump( 0e456 ); echo "float comparisons :\n"; var_dump( 1e123 == 1e456 ); echo "string comparisons :\n"; var_dump( "0e123" == "0e456" ); var_dump( "0e123" === "0e456" );
Output for 5.4.0 - 5.4.26
Parse error: syntax error, unexpected 'a123' (T_STRING) in /in/frVHK on line 2
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected T_STRING in /in/frVHK on line 2
Process exited with code 255.
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196.86 ms | 1395 KiB | 63 Q