3v4l.org

run code in 300+ PHP versions simultaneously
<?php class boo { protected $a; public __construct($a) { $this->a = $ap } } $x = new boo("X"); $y = new boo("Y"); $z = $y; var_export( $x == $y ); echo "\n"; var_export( $x == $z ); echo "\n"; var_export( $y == $z ); echo "\n"; var_export( $x === $y ); echo "\n"; var_export( $x === $z ); echo "\n"; var_export( $y === $z );

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)
5.4.260.0070.05018.73
5.4.250.0070.08018.89
5.4.240.0100.05318.89
5.4.230.0100.05018.96
5.4.220.0070.07718.93
5.4.210.0170.06718.75
5.4.200.0100.05018.79
5.4.190.0170.06718.91
5.4.180.0170.05718.92
5.4.170.0130.07019.04
5.4.160.0000.05718.77
5.4.150.0030.06018.78
5.4.140.0070.05316.61
5.4.130.0000.08016.30
5.4.120.0100.04716.54
5.4.110.0070.05316.46
5.4.100.0100.06016.39
5.4.90.0100.04316.46
5.4.80.0070.04716.51
5.4.70.0170.04316.45
5.4.60.0130.04716.55
5.4.50.0100.04316.27
5.4.40.0030.05016.55
5.4.30.0130.04016.24
5.4.20.0000.06716.33
5.4.10.0070.06716.43
5.4.00.0130.05015.84
5.3.280.0000.05314.75
5.3.270.0070.05314.59
5.3.260.0070.06014.76
5.3.250.0100.07314.59
5.3.240.0000.05714.59
5.3.230.0100.07014.61
5.3.220.0100.04714.47
5.3.210.0100.05014.54
5.3.200.0070.05014.75
5.3.190.0130.06014.56
5.3.180.0000.05314.69
5.3.170.0100.04714.78
5.3.160.0100.07014.65
5.3.150.0030.05314.62
5.3.140.0030.05314.38
5.3.130.0070.05314.63
5.3.120.0100.05014.62
5.3.110.0030.05314.63
5.3.100.0070.05314.11
5.3.90.0070.04714.19
5.3.80.0100.05714.00
5.3.70.0100.05014.19
5.3.60.0070.05014.18
5.3.50.0030.05314.16
5.3.40.0130.04713.78
5.3.30.0100.06713.97
5.3.20.0130.05013.78
5.3.10.0030.05313.55
5.3.00.0100.04713.54
5.2.170.0100.03711.23
5.2.160.0070.03711.36
5.2.150.0070.03711.22
5.2.140.0100.04711.22
5.2.130.0130.03311.18
5.2.120.0100.03311.08
5.2.110.0000.04311.17
5.2.100.0030.04011.08
5.2.90.0100.03310.99
5.2.80.0030.05311.17
5.2.70.0130.03311.16
5.2.60.0070.03711.12
5.2.50.0100.04710.97
5.2.40.0100.04711.07
5.2.30.0000.04311.12
5.2.20.0000.04010.78
5.2.10.0030.05311.07
5.2.00.0030.05310.67
5.1.60.0070.0309.98
5.1.50.0000.03710.08
5.1.40.0000.0409.94
5.1.30.0030.04010.33
5.1.20.0070.03310.42
5.1.10.0070.04710.18
5.1.00.0070.03310.13
5.0.50.0070.0238.78
5.0.40.0000.0308.32
5.0.30.0030.0478.16
5.0.20.0070.0238.24
5.0.10.0000.0308.36
5.0.00.0030.0508.24
4.4.90.0030.0206.79
4.4.80.0030.0206.79
4.4.70.0030.0206.79
4.4.60.0030.0206.79
4.4.50.0000.0236.79
4.4.40.0000.0376.79
4.4.30.0000.0236.79
4.4.20.0130.0176.79
4.4.10.0030.0276.79
4.4.00.0000.0376.79
4.3.110.0030.0206.79
4.3.100.0000.0276.79
4.3.90.0000.0236.79
4.3.80.0130.0276.79
4.3.70.0000.0306.79
4.3.60.0000.0236.79
4.3.50.0000.0236.79
4.3.40.0030.0336.79
4.3.30.0000.0236.79
4.3.20.0030.0236.79
4.3.10.0000.0236.79
4.3.00.0070.02314.47

preferences:
140.73 ms | 1386 KiB | 7 Q