3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { var $foo = 1; } $a = new A; $b = $a; // $a and $b are copies of the same identifier // ($a) = ($b) = <id> $b->foo = 2; echo "$a->foo" . $a->foo . PHP_EOL; $c = new A; $d = &$c; // $c and $d are references // ($c,$d) = <id> $d->foo = 2; echo "$c->foo" . $c->foo . PHP_EOL; $e = new A; function foo($obj) { // ($obj) = ($e) = <id> $obj->foo = 2; } foo($e); echo "$e->foo" . $e->foo . PHP_EOL;

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)
8.3.60.0070.01116.50
8.3.50.0180.00423.00
8.3.40.0120.00318.73
8.3.30.0140.00019.14
8.3.20.0040.00420.34
8.3.10.0000.00820.58
8.3.00.0040.00419.13
8.2.180.0070.01518.16
8.2.170.0040.01122.96
8.2.160.0070.00720.57
8.2.150.0030.00524.18
8.2.140.0080.00024.66
8.2.130.0140.00026.16
8.2.120.0050.00319.36
8.2.110.0040.00420.58
8.2.100.0080.00417.72
8.2.90.0030.00619.23
8.2.80.0000.00917.97
8.2.70.0060.00317.63
8.2.60.0060.00318.04
8.2.50.0050.00318.07
8.2.40.0050.00318.34
8.2.30.0000.00721.13
8.2.20.0000.00817.68
8.2.10.0040.00417.89
8.2.00.0020.00517.51
8.1.280.0140.00725.92
8.1.270.0060.00323.98
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0120.00922.61
8.1.230.0110.00020.96
8.1.220.0090.00018.77
8.1.210.0000.00918.89
8.1.200.0040.00417.23
8.1.190.0000.00717.63
8.1.180.0040.00418.10
8.1.170.0000.00818.45
8.1.160.0040.00418.91
8.1.150.0050.00218.96
8.1.140.0040.00417.38
8.1.130.0000.00717.83
8.1.120.0070.00017.40
8.1.110.0060.00317.46
8.1.100.0030.00317.46
8.1.90.0070.00017.47
8.1.80.0050.00317.39
8.1.70.0030.00317.43
8.1.60.0030.00617.65
8.1.50.0000.00917.52
8.1.40.0050.00317.38
8.1.30.0060.00317.66
8.1.20.0040.00417.62
8.1.10.0040.00417.55
8.1.00.0030.00617.40
8.0.300.0050.00319.96
8.0.290.0030.00517.18
8.0.280.0000.00718.30
8.0.270.0070.00017.32
8.0.260.0040.00417.26
8.0.250.0070.00016.85
8.0.240.0040.00417.00
8.0.230.0000.00816.97
8.0.220.0000.00716.76
8.0.210.0000.00716.79
8.0.200.0030.00316.98
8.0.190.0040.00416.96
8.0.180.0000.00816.93
8.0.170.0040.00416.95
8.0.160.0000.00716.79
8.0.150.0000.00716.83
8.0.140.0040.00416.84
8.0.130.0030.00313.34
8.0.120.0040.00416.89
8.0.110.0020.00516.91
8.0.100.0000.00816.78
8.0.90.0040.00416.77
8.0.80.0120.00916.93
8.0.70.0070.00016.73
8.0.60.0040.00416.95
8.0.50.0020.00516.92
8.0.30.0100.00816.91
8.0.20.0060.01217.40
8.0.10.0000.00716.91
8.0.00.0050.01216.88
7.4.330.0000.00515.12
7.4.320.0000.00616.48
7.4.300.0030.00316.63
7.4.290.0030.00316.57
7.4.280.0000.00716.41
7.4.270.0000.00716.60
7.4.260.0040.00416.58
7.4.250.0040.00416.49
7.4.240.0030.00316.62
7.4.230.0000.00616.39
7.4.220.0160.00616.63
7.4.210.0090.00616.52
7.4.200.0030.00316.63
7.4.160.0120.00416.41
7.4.150.0040.01517.40
7.4.140.0070.01017.86
7.4.130.0110.01116.44
7.4.120.0090.00916.71
7.4.110.0150.00316.65
7.4.100.0040.01216.48
7.4.90.0120.00316.65
7.4.80.0100.01016.48
7.4.70.0100.00616.27
7.4.60.0060.00916.54
7.4.50.0040.00016.60
7.4.40.0060.00916.38
7.4.30.0090.01516.62
7.4.00.0000.00914.82
7.3.330.0000.00613.39
7.3.320.0000.00513.15
7.3.310.0060.00316.31
7.3.300.0040.00416.19
7.3.290.0060.00716.31
7.3.280.0100.00516.37
7.3.270.0080.01617.40
7.3.260.0100.00616.72
7.3.250.0080.00816.41
7.3.240.0030.01216.38
7.3.230.0130.00316.39
7.3.210.0050.01116.53
7.3.200.0000.01919.39
7.3.190.0070.01016.34
7.3.180.0120.00316.30
7.3.170.0060.01016.52
7.3.160.0100.01316.57
7.2.330.0080.01016.68
7.2.320.0090.00816.48
7.2.310.0080.00816.73
7.2.300.0130.00316.81
7.2.290.0070.01116.64
7.2.80.0090.00316.73
7.2.60.0130.00016.75
7.2.00.0040.01119.49
7.1.200.0070.00715.78
7.1.100.0040.00817.85
7.1.70.0040.00417.22
7.1.60.0140.01019.34
7.1.50.0120.01216.93
7.1.00.0030.07722.26
7.0.200.0040.00416.84
7.0.140.0000.03722.02
7.0.110.0100.04319.91
7.0.100.0070.08019.96
7.0.90.0230.06719.96
7.0.80.0530.03720.01
7.0.70.0470.08019.89
7.0.60.0030.04019.93
7.0.50.0100.07019.96
7.0.40.0000.08719.78
7.0.30.0070.08019.59
7.0.20.0000.06319.87
7.0.10.0070.08019.80
7.0.00.0030.08319.71
5.6.280.0100.06720.89
5.6.260.0130.03720.74
5.6.250.0100.03720.68
5.6.240.0070.05320.72
5.6.230.0000.06320.57
5.6.220.0100.04320.62
5.6.210.0070.04720.58
5.6.200.0070.08020.54
5.6.190.0070.04720.62
5.6.180.0100.06320.59
5.6.170.0030.05720.58
5.6.160.0070.05020.64
5.6.150.0070.07720.59
5.6.140.0170.07320.68
5.6.130.0030.04320.67
5.6.120.0130.07720.62
5.6.110.0100.06720.64
5.6.100.0030.08720.59
5.6.90.0030.04720.62
5.6.80.0100.04320.02
5.6.70.0100.04720.01
5.6.60.0000.05020.02
5.6.50.0100.07319.93
5.6.40.0030.07020.01
5.6.30.0070.04320.00
5.6.20.0130.06720.06
5.6.10.0070.03719.99
5.6.00.0000.04020.01
5.5.380.0000.05017.72
5.5.370.0070.05317.52
5.5.360.0070.08017.68
5.5.350.0030.06317.55
5.5.340.0000.08318.11
5.5.330.0030.08718.09
5.5.320.0000.05318.23
5.5.310.0130.04318.09
5.5.300.0030.04718.13
5.5.290.0130.06018.05
5.5.280.0230.08018.23
5.5.270.0030.06718.04
5.5.260.0130.06017.90
5.5.250.0030.04017.89
5.5.240.0070.05317.44
5.5.230.0070.08017.34
5.5.220.0030.08017.64
5.5.210.0100.04017.47
5.5.200.0100.07017.59
5.5.190.0070.05017.43
5.5.180.0030.07017.48
5.5.160.0030.04717.18
5.5.150.0070.05317.48
5.5.140.0000.07717.28
5.5.130.0070.03317.26
5.5.120.0100.04017.26
5.5.110.0030.05717.30
5.5.100.0070.04717.18
5.5.90.0000.05717.50
5.5.80.0100.03017.08
5.5.70.0070.03717.17
5.5.60.0000.04017.49
5.5.50.0030.03717.15
5.5.40.0130.07317.17
5.5.30.0070.03717.49
5.5.20.0070.08317.18
5.5.10.0100.05317.46
5.5.00.0000.04017.28
5.4.450.0070.07319.27
5.4.440.0030.05019.32
5.4.430.0030.05719.57
5.4.420.0070.05019.45
5.4.410.0030.04019.20
5.4.400.0000.04319.01
5.4.390.0070.07319.09
5.4.380.0030.04719.15
5.4.370.0070.06719.00
5.4.360.0100.03019.11
5.4.350.0130.03319.15
5.4.340.0070.05019.14
5.4.320.0230.06019.28
5.4.310.0030.04718.99
5.4.300.0070.05019.13
5.4.290.0100.07318.98
5.4.280.0100.07319.16
5.4.270.0000.04719.23
5.4.260.0070.06318.95
5.4.250.0030.03719.00
5.4.240.0070.03719.22
5.4.230.0000.04019.02
5.4.220.0100.03319.24
5.4.210.0030.03719.08
5.4.200.0000.04319.00
5.4.190.0030.04018.95
5.4.180.0100.03018.96
5.4.170.0100.03318.95
5.4.160.0030.03718.94
5.4.150.0130.04719.15
5.4.140.0100.05716.45
5.4.130.0100.06016.36
5.4.120.0030.03716.39
5.4.110.0030.07316.38
5.4.100.0030.07316.50
5.4.90.0030.05316.51
5.4.80.0070.06716.57
5.4.70.0100.06716.49
5.4.60.0030.07716.37
5.4.50.0030.03716.54
5.4.40.0030.04016.38
5.4.30.0070.08016.27
5.4.20.0030.04016.54
5.4.10.0070.06316.43
5.4.00.0030.06015.79
5.3.290.0030.07714.68
5.3.280.0030.08014.74
5.3.270.0070.03714.84
5.3.260.0070.03714.73
5.3.250.0130.03314.58
5.3.240.0070.03714.66
5.3.230.0030.04314.68
5.3.220.0070.06314.58
5.3.210.0130.06314.79
5.3.200.0030.03314.70
5.3.190.0230.02714.59
5.3.180.0070.03314.59
5.3.170.0100.04714.55
5.3.160.0070.03314.60
5.3.150.0030.03714.42
5.3.140.0030.05014.70
5.3.130.0030.06014.58
5.3.120.0030.07714.54
5.3.110.0100.07014.50
5.3.100.0030.07313.99
5.3.90.0070.07014.02
5.3.80.0100.07714.09
5.3.70.0070.07014.02
5.3.60.0030.07714.23
5.3.50.0100.07014.18
5.3.40.0030.05013.94
5.3.30.0070.07013.98
5.3.20.0100.06713.70
5.3.10.0030.07713.51
5.3.00.0030.08013.63
5.2.170.0070.06311.84
5.2.160.0000.03311.84
5.2.150.0000.04311.84
5.2.140.0130.04311.84
5.2.130.0070.05711.84
5.2.120.0070.05011.84
5.2.110.0030.02711.84
5.2.100.0100.03011.84
5.2.90.0070.02311.84
5.2.80.0030.04311.84
5.2.70.0030.03011.84
5.2.60.0070.04711.84
5.2.50.0000.05711.84
5.2.40.0030.04711.84
5.2.30.0100.05711.84
5.2.20.0070.06011.84
5.2.10.0000.04011.84
5.2.00.0100.03311.84
5.1.60.0030.04311.84
5.1.50.0030.02311.84
5.1.40.0000.03011.84
5.1.30.0030.03311.84
5.1.20.0030.03011.84
5.1.10.0030.03711.84
5.1.00.0030.03311.84
5.0.50.0030.02011.84
5.0.40.0000.02711.84
5.0.30.0030.03011.84
5.0.20.0000.02311.84
5.0.10.0000.04011.84
5.0.00.0030.03311.84
4.4.90.0000.02311.84
4.4.80.0000.01311.84
4.4.70.0030.03311.84
4.4.60.0000.02011.84
4.4.50.0000.01711.84
4.4.40.0070.02011.84
4.4.30.0000.02011.84
4.4.20.0000.02011.84
4.4.10.0000.01711.84
4.4.00.0070.02311.84
4.3.110.0000.02011.84
4.3.100.0000.01711.84
4.3.90.0100.01011.84
4.3.80.0030.02311.84
4.3.70.0000.01711.84
4.3.60.0000.02011.84
4.3.50.0030.01311.84
4.3.40.0000.02311.84
4.3.30.0000.01711.84
4.3.20.0000.01711.84
4.3.10.0000.01711.84
4.3.00.0030.01311.84

preferences:
53.66 ms | 401 KiB | 5 Q