3v4l.org

run code in 500+ PHP versions simultaneously
<?php function ReturnArray() { return array('a' => 'f', 'b' => 'g', 'c' => 'h', 'd' => 'i', 'e' => 'j'); } echo ${!${!1}=ReturnArray()}['a']; echo "\n---\n"; var_export(${''}); echo "\n---\n"; var_export($GLOBALS['']); echo "\n---\n"; echo ${''}['a']; echo "\n---\n"; echo $GLOBALS['']['a'];
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 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.31, 8.3.0 - 8.3.31, 8.4.1 - 8.4.22, 8.5.0 - 8.5.7
f --- array ( 'a' => 'f', 'b' => 'g', 'c' => 'h', 'd' => 'i', 'e' => 'j', ) --- array ( 'a' => 'f', 'b' => 'g', 'c' => 'h', 'd' => 'i', 'e' => 'j', ) --- f --- f
preferences:
71.21 ms | 2804 KiB | 4 Q