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run code in 300+ PHP versions simultaneously
<?php function provideGlobals() { printf("Is foo exists: %d\n", array_key_exists("foo", $GLOBALS)); $GLOBALS += array("foo" => "foo"); } provideGlobals(); echo $foo;
Output for 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
Fatal error: $GLOBALS can only be modified using the $GLOBALS[$name] = $value syntax in /in/teWDV on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 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 - 5.4.45, 5.5.0 - 5.5.35, 5.6.0 - 5.6.28, 7.0.5 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
Is foo exists: 0 foo
Output for 7.0.0 - 7.0.4
Is foo exists: 1 Notice: Undefined variable: foo in /in/teWDV on line 9
preferences:
149.69 ms | 408 KiB | 5 Q