3v4l.org

run code in 300+ PHP versions simultaneously
<?php // This is a basic class without any special behavior. No deprecation error occur despite the public_property being unset. $foo = new Foo(); $foo->public_property = true; unset( $foo->public_property ); $foo->public_property = true; // A class with a __set magic method that allows modifying declared public properties, mimicking the basic class behaviour and providing more backward compatibility. $baz = new Baz(); $baz->public_property = true; unset( $baz->public_property ); $baz->public_property = true; // This is a class with a __set magic method that restricts dynamic property creation. $bar = new Bar(); $bar->public_property = true; unset( $bar->public_property ); $bar->public_property = true; class Foo { public $public_property; } class Baz { public $public_property; public function __set( $prop, $value ) { if ( 'known_dynamic_property' === $prop ) { // Dynamic property-specific logic goes here. return; } // Checks if the property is a known public property and allows setting it. if ( 'public_property' === $prop ) { $this->public_property = $value; return; } trigger_error( sprintf( 'Setting the dynamic property "%s" on %s is deprecated', $prop, __CLASS__ ), E_USER_DEPRECATED ); } } class Bar { public $public_property; public function __set( $prop, $value ) { if ( 'known_dynamic_property' === $prop ) { // Dynamic property-specific logic goes here. return; } trigger_error( sprintf( 'Setting the dynamic property "%s" on %s is deprecated', $prop, __CLASS__ ), E_USER_DEPRECATED ); } }

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.110.0000.00818.65
8.3.100.0000.00816.78
8.3.90.0050.00318.49
8.3.80.0070.00719.36
8.3.70.0090.00618.68
8.3.60.0300.00925.92
8.3.50.0170.00025.92
8.3.40.0070.01325.92
8.2.230.0040.00420.94
8.2.220.0040.00416.95
8.2.210.0060.00326.77
8.2.200.0030.00618.29
8.2.190.0110.00416.63
8.2.180.0140.00725.92
8.2.170.0030.01425.92
8.1.290.0090.00018.88
8.1.280.0030.01025.92

preferences:
27.75 ms | 403 KiB | 5 Q