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run code in 300+ PHP versions simultaneously
<?php function create_function2($args, $content) { static $counter = PHP_MAX_INT; $funcname = '_lambda_' . (--$counter); eval("function {$funcname} ({$args}) { {$content}; }"); return $funcname; } var_dump( create_function('$a,$b', 'return $a+$b;'), bin2hex(create_function('$a,$b', 'return $a+$b;')) ); $f = create_function2('$a,$b', 'return $a+$b;'); var_dump($f, $f(1,2));
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught Error: Call to undefined function create_function() in /in/8jYXW:11 Stack trace: #0 {main} thrown in /in/8jYXW on line 11
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
Deprecated: Function create_function() is deprecated in /in/8jYXW on line 11 Deprecated: Function create_function() is deprecated in /in/8jYXW on line 12 string(9) "lambda_1" string(18) "006c616d6264615f32" Warning: Use of undefined constant PHP_MAX_INT - assumed 'PHP_MAX_INT' (this will throw an Error in a future version of PHP) in /in/8jYXW on line 4 string(19) "_lambda_PHP_MAX_INT" int(3)
Output for 7.3.32 - 7.3.33, 7.4.26
string(9) "lambda_1" string(18) "006c616d6264615f32" Warning: Use of undefined constant PHP_MAX_INT - assumed 'PHP_MAX_INT' (this will throw an Error in a future version of PHP) in /in/8jYXW on line 4 string(19) "_lambda_PHP_MAX_INT" int(3)
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 - 5.6.38, 7.0.0 - 7.0.32, 7.1.0 - 7.1.33
string(9) "lambda_1" string(18) "006c616d6264615f32" Notice: Use of undefined constant PHP_MAX_INT - assumed 'PHP_MAX_INT' in /in/8jYXW on line 4 string(19) "_lambda_PHP_MAX_INT" int(3)
preferences:
339.5 ms | 404 KiB | 449 Q