3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo array() == false ? 1 : 0; echo array() == 0 ? 1 : 0; echo false == 0 ? 1 : 0; echo array() == 0 == false == array(); echo "1" == 1 ? 1:0;
Output for 5.4.0 - 5.4.6
Parse error: syntax error, unexpected '==' (T_IS_EQUAL) in /in/eNpj0 on line 5
Process exited with code 255.
Output for 5.3.0 - 5.3.16
Parse error: syntax error, unexpected T_IS_EQUAL in /in/eNpj0 on line 5
Process exited with code 255.
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169.87 ms | 1395 KiB | 31 Q