3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo {} function bar() { static $i = 0; return ++$i; } function &refBar() { static $j = 0; $j++; return $j; } new Foo(bar()); new Foo(refBar()); $sprintf = sprintf("Sprintf: %d", bar()++); $sprintf = sprintf("Sprintf: %d", refBar()++); echo "Did call bar " . bar() . " times\n"; echo "Did call refBar " . refBar() . " times\n";
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.35
Fatal error: Can't use function return value in write context in /in/4WWnm on line 19
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_INC in /in/4WWnm on line 19
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
Parse error: parse error, unexpected T_INC in /in/4WWnm on line 19
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/4WWnm on line 19
Process exited with code 255.
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