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run code in 300+ PHP versions simultaneously
<?php class foo { function bar() { } } $GLOBALS['fb'] = new foo; function foo_bar( $buffer ) { $buffer .= "gettype( 'fb' ): " . gettype( $GLOBALS['fb'] ); return $buffer; } ob_start( 'foo_bar' );
Output for 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 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.24, 8.2.0 - 8.2.11
gettype( 'fb' ): NULL
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
gettype( 'fb' ): object
preferences:
230.69 ms | 1366 KiB | 15 Q