3v4l.org

run code in 300+ PHP versions simultaneously
<?php //foreach ($fnc_array as $fnc_name) { $ref_func = new ReflectionFunction('preg_replace_callback'); foreach($ref_func->getParameters() as $parm) { var_dump($parm->isCallable()); if($parm->isCallable()) { echo "$fnc_name (" . $ref_func->getNumberOfParameters() .")\n"; break; } }
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
Deprecated: Method ReflectionParameter::isCallable() is deprecated in /in/8bk61 on line 7 bool(false) Deprecated: Method ReflectionParameter::isCallable() is deprecated in /in/8bk61 on line 8 Deprecated: Method ReflectionParameter::isCallable() is deprecated in /in/8bk61 on line 7 bool(true) Deprecated: Method ReflectionParameter::isCallable() is deprecated in /in/8bk61 on line 8 Warning: Undefined variable $fnc_name in /in/8bk61 on line 9 (6)
Output for 7.4.0 - 7.4.33
bool(false) bool(false) bool(false) bool(false) bool(false) bool(false)
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.31, 7.1.0 - 7.1.23, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33
bool(false) bool(false) bool(false) bool(false) bool(false)
Output for 5.1.3 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Fatal error: Call to undefined method ReflectionParameter::isCallable() in /in/8bk61 on line 7
Process exited with code 255.
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.2
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9
Fatal error: Cannot instantiate non-existent class: reflectionfunction in /in/8bk61 on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Cannot instantiate non-existent class: reflectionfunction in /in/8bk61 on line 4

preferences:
271.14 ms | 401 KiB | 418 Q