3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array(10); $array[5] = &$array[0]; $b = $array; unset($array[0]); $c = $array; ++$array[5]; var_dump($b, $c); var_dump(array_values($c));

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)
8.3.60.0080.01218.49
8.3.50.0100.00821.85
8.3.40.0110.00418.57
8.3.30.0140.00018.99
8.3.20.0070.00020.19
8.3.10.0060.00321.78
8.3.00.0000.00818.99
8.2.180.0140.00718.38
8.2.170.0110.00422.96
8.2.160.0130.00322.25
8.2.150.0080.00024.18
8.2.140.0030.00524.66
8.2.130.0070.00026.16
8.2.120.0040.00421.04
8.2.110.0000.01019.31
8.2.100.0090.00317.72
8.2.90.0000.00917.75
8.2.80.0050.00318.57
8.2.70.0060.00318.03
8.2.60.0040.00418.14
8.2.50.0040.00419.21
8.2.40.0000.00821.25
8.2.30.0080.00019.12
8.2.20.0030.00617.73
8.2.10.0000.00717.96
8.2.00.0000.00717.74
8.1.280.0100.00725.92
8.1.270.0040.00418.86
8.1.260.0050.00226.35
8.1.250.0070.00028.09
8.1.240.0090.00019.03
8.1.230.0070.00720.85
8.1.220.0050.00317.79
8.1.210.0050.00318.77
8.1.200.0110.00017.23
8.1.190.0040.00417.23
8.1.180.0080.00018.96
8.1.170.0040.00818.51
8.1.160.0050.00219.01
8.1.150.0000.00718.82
8.1.140.0040.00417.38
8.1.130.0070.00017.88
8.1.120.0000.00817.37
8.1.110.0040.00417.29
8.1.100.0000.00817.31
8.1.90.0000.00717.31
8.1.80.0070.00017.36
8.1.70.0000.00817.34
8.1.60.0000.00817.46
8.1.50.0040.00417.49
8.1.40.0000.00817.50
8.1.30.0040.00417.50
8.1.20.0050.00217.57
8.1.10.0040.00417.52
8.1.00.0040.00417.49
8.0.300.0000.00718.77
8.0.290.0040.00416.75
8.0.280.0030.00318.33
8.0.270.0030.00317.18
8.0.260.0030.00317.23
8.0.250.0070.00316.79
8.0.240.0070.00016.90
8.0.230.0000.00716.85
8.0.220.0030.00316.85
8.0.210.0040.00416.85
8.0.200.0060.00016.75
8.0.190.0000.00816.76
8.0.180.0030.00616.72
8.0.170.0000.00716.91
8.0.160.0050.00316.88
8.0.150.0000.00816.79
8.0.140.0070.00016.66
8.0.130.0000.00513.23
8.0.120.0050.00316.80
8.0.110.0050.00316.68
8.0.100.0070.00016.72
8.0.90.0030.00316.66
8.0.80.0040.01216.80
8.0.70.0000.00716.88
8.0.60.0000.00716.71
8.0.50.0040.00416.80
8.0.30.0080.01416.89
8.0.20.0080.01317.40
8.0.10.0000.00816.77
8.0.00.0110.00616.62
7.4.330.0060.00015.03
7.4.320.0060.00016.66
7.4.300.0040.00416.56
7.4.290.0000.00716.51
7.4.280.0040.00416.62
7.4.270.0000.00716.59
7.4.260.0090.00016.57
7.4.250.0040.00416.60
7.4.240.0020.00516.59
7.4.230.0070.00016.52
7.4.220.0070.01116.54
7.4.210.0110.00716.56
7.4.200.0040.00416.50
7.4.160.0070.01016.61
7.4.150.0090.00917.40
7.4.140.0080.01217.86
7.4.130.0090.00816.50
7.4.120.0100.00916.42
7.4.110.0090.00916.71
7.4.100.0080.01316.45
7.4.90.0100.00716.34
7.4.80.0110.00719.39
7.4.70.0120.01216.45
7.4.60.0090.00616.60
7.4.50.0030.00616.55
7.4.40.0130.00316.29
7.4.30.0090.00916.19
7.4.00.0040.00814.73
7.3.330.0000.00513.14
7.3.320.0030.00213.12
7.3.310.0030.00316.28
7.3.300.0050.00216.20
7.3.290.0060.00916.29
7.3.280.0110.00816.28
7.3.270.0110.00717.40
7.3.260.0110.00716.46
7.3.250.0130.01016.34
7.3.240.0110.00616.43
7.3.230.0160.00916.39
7.3.210.0160.00316.41
7.3.200.0070.01019.39
7.3.190.0080.00816.22
7.3.180.0130.00416.34
7.3.170.0060.01216.27
7.3.160.0070.01416.27
7.2.330.0160.00316.59
7.2.320.0150.00616.56
7.2.310.0090.00916.65
7.2.300.0170.00016.36
7.2.290.0060.01816.65
7.2.60.0030.01216.74
7.2.00.0030.00919.46
7.1.200.0080.00515.93
7.1.100.0040.00417.99
7.1.70.0150.00717.20
7.1.60.0070.01619.22
7.1.50.0060.01216.58
7.1.00.0030.07722.33
7.0.200.0060.00316.90
7.0.140.0000.07321.98
7.0.60.0070.07019.92
7.0.50.0100.06317.89
7.0.40.0000.04720.07
7.0.30.0330.07320.04
7.0.20.0230.04720.16
7.0.10.0170.07720.09
7.0.00.0030.05320.01
5.6.280.0070.07020.98
5.6.210.0000.08720.72
5.6.200.0130.04018.19
5.6.190.0000.08720.45
5.6.180.0270.04320.33
5.6.170.0100.04720.44
5.6.160.0130.08020.54
5.6.150.0130.04018.18
5.6.140.0000.06718.12
5.6.130.0070.05318.15
5.6.120.0070.04721.11
5.6.110.0030.05020.88
5.6.100.0100.05721.00
5.6.90.0030.04020.97
5.6.80.0030.08720.37
5.5.350.0200.05020.32
5.5.340.0070.07018.00
5.5.330.0030.06720.13
5.5.320.0300.05720.41
5.5.310.0200.08720.13
5.5.300.0030.06717.95
5.5.290.0030.08717.98
5.5.280.0030.04320.86
5.5.270.0030.05720.71
5.5.260.0000.05020.88
5.5.250.0030.08720.54
5.5.240.0000.08020.25
5.4.450.0670.06019.61
5.4.440.0270.05319.46
5.4.430.0200.05719.16
5.4.420.0230.05319.32
5.4.410.0170.05019.10
5.4.400.0170.05319.20
5.4.390.0300.06018.53
5.4.380.0230.06318.59
5.4.370.0130.06018.61
5.4.360.0270.04718.50
5.4.350.0200.06018.56
5.4.340.0200.05318.66
5.4.320.0130.07318.61
5.4.310.0270.06318.68
5.4.300.0330.04018.70
5.4.290.0270.04318.50
5.4.280.0300.04318.73
5.4.270.0400.05018.48
5.4.260.0300.05018.60
5.4.250.0400.05318.63
5.4.240.0330.07318.55
5.4.230.0330.07018.70
5.4.220.0300.05318.47
5.4.210.0230.05318.51
5.4.200.0270.04716.48
5.4.190.0300.05318.47
5.4.180.0330.05318.72
5.4.170.0300.05718.44
5.4.160.0230.06018.66
5.4.150.0330.05318.44
5.4.140.0270.06016.32
5.4.130.0270.05716.08
5.4.120.0330.04716.06
5.4.110.0270.06316.27
5.4.100.0330.06016.24
5.4.90.0370.04716.06
5.4.80.0230.05016.28
5.4.70.0370.04016.34
5.4.60.0270.05016.27
5.4.50.0270.04716.23
5.4.40.0230.05016.27
5.4.30.0270.04316.22
5.4.20.0200.05716.25
5.4.10.0330.06016.27
5.4.00.0230.05315.60
5.3.290.0270.05314.57
5.3.280.0230.05014.48
5.3.270.0330.04314.64
5.3.260.0230.05314.52
5.3.250.0270.05014.68
5.3.240.0230.05314.50
5.3.230.0330.05014.65
5.3.220.0300.04714.49
5.3.210.0170.06314.46
5.3.200.0170.05714.49
5.3.190.0200.06314.66
5.3.180.0230.06314.55
5.3.170.0200.05314.52
5.3.160.0270.05014.49
5.3.150.0300.04714.66
5.3.140.0300.04314.45
5.3.130.0230.05714.45
5.3.120.0230.05314.62
5.3.110.0270.05014.50
5.3.100.0270.04713.96
5.3.90.0230.05714.05
5.3.80.0230.05014.11
5.3.70.0230.04713.91
5.3.60.0230.05013.89
5.3.50.0170.06013.93
5.3.40.0230.05013.93
5.3.30.0230.04713.84
5.3.20.0170.05313.64
5.3.10.0170.05713.65
5.3.00.0300.04313.58
5.2.170.0200.04311.10
5.2.160.0200.04011.20
5.2.150.0200.04311.10
5.2.140.0130.04711.14
5.2.130.0270.03311.25
5.2.120.0170.04011.06
5.2.110.0200.04011.25
5.2.100.0170.04011.25
5.2.90.0130.04711.11
5.2.80.0200.04311.14
5.2.70.0170.04711.14
5.2.60.0270.03711.00
5.2.50.0230.03711.07
5.2.40.0170.04010.91
5.2.30.0170.04710.94
5.2.20.0130.04011.00
5.2.10.0100.04310.88
5.2.00.0170.04010.87
5.1.60.0170.0339.98
5.1.50.0170.0339.99
5.1.40.0200.0309.93
5.1.30.0200.03310.31
5.1.20.0170.03710.38
5.1.10.0170.03310.19
5.1.00.0230.03010.18
5.0.50.0070.0338.68
5.0.40.0100.0278.47
5.0.30.0100.0438.27
5.0.20.0130.0278.23
5.0.10.0100.0308.30
5.0.00.0070.0578.18
4.4.90.0100.0205.89
4.4.80.0070.0235.89
4.4.70.0100.0205.90
4.4.60.0030.0275.88
4.4.50.0100.0205.90
4.4.40.0070.0375.94
4.4.30.0070.0235.86
4.4.20.0100.0205.97
4.4.10.0100.0205.95
4.4.00.0070.0375.95
4.3.110.0100.0205.86
4.3.100.0070.0205.81
4.3.90.0100.0175.79
4.3.80.0030.0375.78
4.3.70.0030.0275.89
4.3.60.0030.0235.78
4.3.50.0130.0175.86
4.3.40.0100.0335.79
4.3.30.0030.0235.54
4.3.20.0100.0205.54
4.3.10.0030.0305.54
4.3.00.0070.0237.20

preferences:
53.98 ms | 401 KiB | 5 Q