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)
8.3.60.0140.00716.88
8.3.50.0100.01020.09
8.3.40.0090.01218.75
8.3.30.0140.00019.27
8.3.20.0040.00420.34
8.3.10.0080.00020.56
8.3.00.0070.00019.08
8.2.180.0100.01018.29
8.2.170.0090.00622.96
8.2.160.0070.01020.39
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0040.00419.23
8.2.110.0040.00420.35
8.2.100.0040.00817.71
8.2.90.0000.00819.21
8.2.80.0050.00317.97
8.2.70.0090.00317.50
8.2.60.0020.00518.04
8.2.50.0000.00818.07
8.2.40.0000.00818.28
8.2.30.0000.00721.09
8.2.20.0000.00717.58
8.2.10.0000.00717.94
8.2.00.0050.00317.69
8.1.280.0060.00925.92
8.1.270.0080.00023.86
8.1.260.0080.00026.35
8.1.250.0060.00328.09
8.1.240.0030.00623.92
8.1.230.0120.00022.12
8.1.220.0050.00318.77
8.1.210.0040.00419.05
8.1.200.0030.00617.35
8.1.190.0070.00017.53
8.1.180.0050.00318.10
8.1.170.0000.00918.74
8.1.160.0040.00418.89
8.1.150.0070.00018.89
8.1.140.0000.00717.40
8.1.130.0000.00817.87
8.1.120.0020.00517.40
8.1.110.0040.00417.37
8.1.100.0040.00417.44
8.1.90.0040.00417.35
8.1.80.0000.00717.38
8.1.70.0000.00717.33
8.1.60.0040.00417.64
8.1.50.0030.00517.58
8.1.40.0050.00317.50
8.1.30.0000.00817.63
8.1.20.0050.00217.69
8.1.10.0070.00017.47
8.1.00.0060.00317.50
8.0.300.0000.00719.88
8.0.290.0040.00417.05
8.0.280.0030.00318.36
8.0.270.0050.00217.26
8.0.260.0040.00417.18
8.0.250.0030.00317.01
8.0.240.0030.00516.87
8.0.230.0030.00416.85
8.0.220.0030.00316.88
8.0.210.0030.00516.76
8.0.200.0020.00516.82
8.0.190.0040.00416.91
8.0.180.0030.00516.92
8.0.170.0040.00416.96
8.0.160.0040.00416.88
8.0.150.0040.00416.75
8.0.140.0000.00716.86
8.0.130.0030.00313.28
8.0.120.0070.00316.76
8.0.110.0070.00316.86
8.0.100.0020.00516.70
8.0.90.0040.00416.73
8.0.80.0030.01916.89
8.0.70.0050.00217.00
8.0.60.0050.00216.76
8.0.50.0030.00516.72
8.0.30.0080.01317.15
8.0.20.0150.00317.40
8.0.10.0000.00716.89
8.0.00.0140.00817.02
7.4.330.0000.00615.02
7.4.320.0040.00416.54
7.4.300.0040.00416.61
7.4.290.0000.00816.58
7.4.280.0050.00216.50
7.4.270.0050.00216.53
7.4.260.0020.00516.48
7.4.250.0040.00416.55
7.4.240.0030.00316.46
7.4.230.0000.00716.71
7.4.220.0190.00316.48
7.4.210.0090.00616.55
7.4.200.0070.00016.57
7.4.160.0060.01016.54
7.4.150.0090.00917.40
7.4.140.0080.00917.86
7.4.130.0100.01216.64
7.4.120.0060.01116.54
7.4.110.0120.00916.43
7.4.100.0080.01116.53
7.4.90.0070.01016.34
7.4.80.0160.00316.38
7.4.70.0060.01116.43
7.4.60.0070.01016.41
7.4.50.0000.00516.51
7.4.40.0070.00916.70
7.4.30.0070.01716.35
7.4.00.0000.01214.71
7.3.330.0000.00713.25
7.3.320.0060.00013.18
7.3.310.0080.00016.30
7.3.300.0040.00416.19
7.3.290.0040.01216.31
7.3.280.0110.00716.30
7.3.270.0110.00517.40
7.3.260.0070.01116.38
7.3.250.0160.00516.47
7.3.240.0090.00916.55
7.3.230.0030.01316.48
7.3.210.0140.00316.54
7.3.200.0140.00719.39
7.3.190.0040.00616.59
7.3.180.0080.00816.34
7.3.170.0160.00016.37
7.3.160.0090.01316.32
7.2.330.0070.01016.47
7.2.320.0090.00916.68
7.2.310.0040.01316.77
7.2.300.0140.00316.82
7.2.290.0070.01016.66
7.2.60.0160.00016.74
7.2.00.0040.00719.44
7.1.200.0060.00615.69
7.1.100.0070.00418.09
7.1.70.0000.00917.19
7.1.60.0070.01419.34
7.1.50.0110.01417.02
7.1.00.0070.07322.48
7.0.200.0030.00516.45
7.0.140.0000.03722.00
7.0.60.0100.06719.98
7.0.50.0070.03717.96
7.0.40.0070.09320.18
7.0.30.0400.07320.17
7.0.20.0330.07020.25
7.0.10.0030.09020.10
7.0.00.0070.07020.11
5.6.280.0070.07021.15
5.6.210.0070.08020.55
5.6.200.0030.07718.13
5.6.190.0070.04020.61
5.6.180.0030.05320.41
5.6.170.0270.07720.52
5.6.160.0100.07720.70
5.6.150.0030.08318.24
5.6.140.0000.04718.23
5.6.130.0070.06718.18
5.6.120.0030.05020.98
5.6.110.0030.08721.09
5.6.100.0070.08721.09
5.6.90.0100.08721.11
5.6.80.0070.07720.27
5.5.350.0030.08320.36
5.5.340.0030.07317.96
5.5.330.0030.07020.28
5.5.320.0170.05720.27
5.5.310.0270.03720.20
5.5.300.0100.08017.98
5.5.290.0130.04018.02
5.5.280.0070.03720.77
5.5.270.0000.06020.77
5.5.260.0070.07720.71
5.5.250.0030.04320.68
5.5.240.0300.07320.15
5.4.450.0370.05019.42
5.4.440.0930.04719.41
5.4.430.0930.04719.48
5.4.420.0200.04319.36
5.4.410.0030.06019.44
5.4.400.0130.05019.17
5.4.390.0030.05719.05
5.4.380.0100.05319.16
5.4.370.0130.06019.16
5.4.360.0100.05719.16
5.4.350.0080.03512.02
5.4.340.0130.04012.02
5.4.320.0090.04012.50
5.4.310.0100.03612.50
5.4.300.0060.03912.50
5.4.290.0050.04212.50
5.4.280.0090.03812.39
5.4.270.0050.04112.40
5.4.260.0090.04212.39
5.4.250.0070.05612.39
5.4.240.0120.03712.40
5.4.230.0110.03512.39
5.4.220.0030.04412.39
5.4.210.0090.03512.39
5.4.200.0030.04212.39
5.4.190.0070.03612.39
5.4.180.0070.03812.39
5.4.170.0070.04412.39
5.4.160.0070.03912.39
5.4.150.0080.03612.39
5.4.140.0080.04212.07
5.4.130.0110.04412.05
5.4.120.0070.04312.02
5.4.110.0090.03712.01
5.4.100.0070.03612.01
5.4.90.0040.04112.01
5.4.80.0130.03212.01
5.4.70.0070.03712.01
5.4.60.0070.03612.01
5.4.50.0080.04112.01
5.4.40.0060.04012.00
5.4.30.0070.04212.00
5.4.20.0080.04812.00
5.4.10.0070.04812.00
5.4.00.0080.04711.48
5.3.290.0050.05712.80
5.3.280.0100.04812.71
5.3.270.0080.05412.72
5.3.260.0130.03912.72
5.3.250.0070.04012.72
5.3.240.0110.03612.72
5.3.230.0070.04012.71
5.3.220.0080.03812.68
5.3.210.0100.04112.68
5.3.200.0120.03612.68
5.3.190.0070.04312.68
5.3.180.0080.04012.67
5.3.170.0100.04312.67
5.3.160.0060.04612.67
5.3.150.0070.05212.68
5.3.140.0100.04812.66
5.3.130.0130.04812.65
5.3.120.0120.04112.66
5.3.110.0090.03912.66
5.3.100.0080.04712.12
5.3.90.0040.04112.10
5.3.80.0080.03912.09
5.3.70.0120.07312.09
5.3.60.0140.06012.08
5.3.50.0180.08312.02
5.3.40.0110.04612.02
5.3.30.0080.04811.99
5.3.20.0100.04511.76
5.3.10.0050.05111.72
5.3.00.0030.05411.71
5.2.170.0090.0439.21
5.2.160.0050.0429.22
5.2.150.0080.0419.22
5.2.140.0060.0419.21
5.2.130.0070.0329.17
5.2.120.0040.0429.18
5.2.110.0080.0379.18
5.2.100.0070.0389.18
5.2.90.0070.0409.18
5.2.80.0050.0459.18
5.2.70.0110.0469.18
5.2.60.0130.0419.12
5.2.50.0080.0399.09
5.2.40.0090.0349.07
5.2.30.0070.0409.05
5.2.20.0110.0329.04
5.2.10.0060.0358.94
5.2.00.0040.0438.81
5.1.60.0070.0368.09
5.1.50.0020.0368.08
5.1.40.0050.0308.06
5.1.30.0050.0288.42
5.1.20.0060.0318.44
5.1.10.0050.0318.16
5.1.00.0040.0388.16
5.0.50.0050.0276.64
5.0.40.0040.0296.50
5.0.30.0030.0426.31
5.0.20.0030.0276.29
5.0.10.0060.0226.25
5.0.00.0040.0426.25
4.4.90.0040.0214.78
4.4.80.0050.0214.75
4.4.70.0040.0214.75
4.4.60.0070.0194.75
4.4.50.0050.0204.77
4.4.40.0050.0324.71
4.4.30.0050.0224.76
4.4.20.0010.0224.84
4.4.10.0050.0254.85
4.4.00.0040.0304.76
4.3.110.0040.0174.67
4.3.100.0040.0214.66
4.3.90.0060.0194.63
4.3.80.0030.0284.59
4.3.70.0030.0204.63
4.3.60.0070.0174.63
4.3.50.0070.0174.63
4.3.40.0060.0284.54
4.3.30.0040.0203.30
4.3.20.0020.0213.29
4.3.10.0050.0183.24
4.3.00.0400.01013.38

preferences:
40.98 ms | 400 KiB | 5 Q