3v4l.org

run code in 300+ PHP versions simultaneously
<?php $names = [ ["Rasmus","Lerdorf"], ["Andi","Gutmans"], ["Zeev","Suraski"] ]; foreach ($names as &$array) { $array[0] = null; } var_dump($names);

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)
8.3.40.0070.01318.68
8.3.30.0150.00718.84
8.3.20.0160.00318.39
8.3.10.0000.00820.52
8.3.00.0100.01017.38
8.2.170.0070.00722.96
8.2.160.0180.00322.21
8.2.150.0120.00624.18
8.2.140.0070.00024.66
8.2.130.0040.00426.16
8.2.120.0080.00019.89
8.2.110.0040.00721.05
8.2.100.0090.00318.03
8.2.90.0000.00919.22
8.2.80.0030.00617.97
8.2.70.0050.00317.50
8.2.60.0080.00017.93
8.2.50.0030.00518.07
8.2.40.0050.00318.34
8.2.30.0040.00418.19
8.2.20.0000.00817.70
8.2.10.0050.00317.62
8.2.00.0040.00417.66
8.1.270.0070.00024.66
8.1.260.0030.00626.35
8.1.250.0000.00828.09
8.1.240.0090.00022.45
8.1.230.0040.00720.88
8.1.220.0080.00017.77
8.1.210.0000.00718.85
8.1.200.0030.00617.25
8.1.190.0040.00417.53
8.1.180.0080.00018.10
8.1.170.0000.00818.89
8.1.160.0040.00418.93
8.1.150.0040.00418.63
8.1.140.0000.00717.36
8.1.130.0070.00017.85
8.1.120.0030.00317.41
8.1.110.0000.00717.33
8.1.100.0030.00517.42
8.1.90.0050.00317.47
8.1.80.0000.00717.45
8.1.70.0040.00417.39
8.1.60.0040.00417.56
8.1.50.0040.00417.48
8.1.40.0050.00217.52
8.1.30.0060.00317.65
8.1.20.0040.00417.52
8.1.10.0040.00417.44
8.1.00.0000.00717.33
8.0.300.0070.00019.97
8.0.290.0000.00816.75
8.0.280.0030.00518.41
8.0.270.0030.00317.26
8.0.260.0030.00318.53
8.0.250.0040.00416.95
8.0.240.0000.00816.86
8.0.230.0030.00316.96
8.0.220.0000.00716.80
8.0.210.0070.00016.88
8.0.200.0000.00616.88
8.0.190.0030.00316.99
8.0.180.0070.00016.77
8.0.170.0030.00616.88
8.0.160.0040.00416.88
8.0.150.0040.00416.80
8.0.140.0080.00416.85
8.0.130.0050.00013.40
8.0.120.0020.00516.91
8.0.110.0090.00016.75
8.0.100.0050.00216.75
8.0.90.0030.00316.89
8.0.80.0080.00816.91
8.0.70.0000.00716.76
8.0.60.0030.00516.70
8.0.50.0000.00716.68
8.0.30.0120.01416.83
8.0.20.0130.00717.15
8.0.10.0000.00716.82
8.0.00.0140.00616.82
7.4.330.0020.00214.78
7.4.320.0030.00516.57
7.4.300.0000.00616.49
7.4.290.0000.00716.54
7.4.280.0030.00716.60
7.4.270.0030.00316.40
7.4.260.0030.00413.27
7.4.250.0070.00016.59
7.4.240.0070.00016.52
7.4.230.0030.00316.39
7.4.220.0080.00816.40
7.4.210.0080.00716.55
7.4.200.0050.00316.46
7.4.190.0030.00316.56
7.4.160.0030.01316.57
7.4.150.0100.01317.07
7.4.140.0110.00617.26
7.4.130.0100.00916.53
7.4.120.0060.01216.47
7.4.110.0080.01616.61
7.4.100.0140.01016.64
7.4.90.0090.01216.63
7.4.80.0070.01618.80
7.4.70.0040.01216.52
7.4.60.0000.01616.57
7.4.50.0000.00523.42
7.4.40.0050.00521.69
7.4.30.0030.01416.69
7.4.00.0030.01314.71
7.3.330.0000.00613.19
7.3.320.0050.00013.16
7.3.310.0030.00316.34
7.3.300.0070.00016.33
7.3.290.0070.00716.32
7.3.280.0080.00916.27
7.3.270.0060.01217.07
7.3.260.0120.00518.24
7.3.250.0110.00816.41
7.3.240.0100.00716.60
7.3.230.0040.01816.36
7.3.210.0060.01116.37
7.3.200.0070.01019.39
7.3.190.0100.00716.42
7.3.180.0070.01016.32
7.3.170.0070.01016.42
7.3.160.0060.01316.33
7.3.120.0040.00714.82
7.3.10.0120.00316.78
7.3.00.0100.00716.55
7.2.330.0160.00616.68
7.2.320.0040.01416.61
7.2.310.0130.01316.55
7.2.300.0080.00816.66
7.2.290.0090.00916.57
7.2.130.0030.00616.67
7.2.120.0070.00716.54
7.2.110.0040.00916.74
7.2.100.0000.00916.72
7.2.90.0070.00316.89
7.2.80.0100.00316.71
7.2.70.0090.00316.84
7.2.60.0090.00916.86
7.2.50.0070.00316.73
7.2.40.0040.00416.63
7.2.30.0070.00416.65
7.2.20.0030.01016.41
7.2.10.0030.01016.54
7.2.00.0040.00916.69
7.1.250.0000.01115.77
7.1.70.0000.00816.85
7.1.60.0110.01419.40
7.1.50.0070.01817.03
7.1.00.0070.07022.31
7.0.200.0000.00716.51
7.0.140.0070.06722.00
7.0.120.0000.03322.17
7.0.60.0130.07719.95
7.0.50.0100.07317.80
7.0.40.0100.06020.38
7.0.30.0070.05020.12
7.0.20.0230.06020.06
7.0.10.0230.08320.21
7.0.00.0070.03720.13
5.6.280.0000.07721.09
5.6.210.0000.08020.74
5.6.200.0100.07718.12
5.6.190.0070.04320.63
5.6.180.0170.05020.63
5.6.170.0230.07020.47
5.6.160.0030.04320.44
5.6.150.0070.04018.09
5.6.140.0030.04018.12
5.6.130.0070.08018.12
5.6.120.0030.05321.09
5.6.110.0100.07020.88
5.6.100.0130.08021.00
5.6.90.0130.07721.00
5.6.80.0270.06320.37
5.6.70.3630.02720.33
5.5.350.0400.07020.41
5.5.340.0100.07717.98
5.5.330.0070.05020.06
5.5.320.0070.06720.23
5.5.310.0130.04320.45
5.5.300.0030.08317.85
5.5.290.0070.08017.91
5.5.280.0030.04020.79
5.5.270.0030.06020.84
5.5.260.0070.08020.95
5.5.250.0030.09020.45
5.5.240.0070.05720.18
5.4.450.0070.05019.30
5.4.440.0100.05319.46
5.4.430.0070.04319.24
5.4.420.0030.04319.39
5.4.410.0030.04319.20
5.4.400.0030.05018.81
5.4.390.0030.05718.79
5.4.380.0100.03719.18
5.4.370.0070.03319.21
5.4.360.0100.03319.07
5.4.350.0070.03318.94
5.4.340.0030.03719.14
5.4.320.0100.03318.80
5.4.310.0100.03019.15
5.4.300.0030.03719.18
5.4.290.0000.04019.07
5.4.280.0000.04019.07
5.4.270.0000.04018.84
5.4.260.0100.03019.17
5.4.250.0030.04019.15
5.4.240.0030.03718.78
5.4.230.0070.03319.07
5.4.220.0030.03718.90
5.4.210.0030.04719.13
5.4.200.0030.03719.11
5.4.190.0100.03019.14
5.4.180.0000.04019.07
5.4.170.0030.03719.04
5.4.160.0130.03019.11
5.4.150.0030.04018.77
5.4.140.0000.04016.22
5.4.130.0070.07016.35
5.4.120.0030.07316.27
5.4.110.0000.05016.25
5.4.100.0070.03316.41
5.4.90.0070.06716.40
5.4.80.0100.06716.27
5.4.70.0030.06716.39
5.4.60.0030.07016.16
5.4.50.0030.07316.24
5.4.40.0070.07716.32
5.4.30.0030.05316.24
5.4.20.0070.07316.17
5.4.10.0070.04016.58
5.4.00.0000.08015.71
5.3.290.0100.04314.75
5.3.280.0000.04014.61
5.3.270.0100.03014.43
5.3.260.0070.03314.59
5.3.250.0030.06714.62
5.3.240.0100.05314.53
5.3.230.0030.08014.52
5.3.220.0100.04314.46
5.3.210.0000.04014.54
5.3.200.0030.03714.45
5.3.190.0070.07714.39
5.3.180.0030.08014.51
5.3.170.0070.06014.52
5.3.160.0030.05314.50
5.3.150.0100.05314.46
5.3.140.0070.06714.50
5.3.130.0030.07014.51
5.3.120.0030.08314.53
5.3.110.0130.07014.53
5.3.100.0030.04013.96
5.3.90.0070.07713.84
5.3.80.0030.04714.03
5.3.70.0030.04013.85
5.3.60.0130.07013.94
5.3.50.0000.05313.92
5.3.40.0070.06313.89
5.3.30.0070.05713.83
5.3.20.0030.05013.63
5.3.10.0070.06013.61
5.3.00.0070.05313.57
5.2.170.0000.05711.00
5.2.160.0030.06311.15
5.2.150.0030.06711.04
5.2.140.0030.03010.99
5.2.130.0030.05711.07
5.2.120.0130.05311.03
5.2.110.0070.05711.01
5.2.100.0030.06011.04
5.2.90.0100.05710.98
5.2.80.0000.06711.08
5.2.70.0070.06010.95
5.2.60.0000.03710.87
5.2.50.0030.03711.00
5.2.40.0100.06010.98
5.2.30.0000.06010.95
5.2.20.0100.04710.89
5.2.10.0070.06010.86
5.2.00.0100.04010.59
5.1.60.0070.04710.14
5.1.50.0030.05010.00
5.1.40.0000.0539.94
5.1.30.0030.03710.20
5.1.20.0100.02010.36
5.1.10.0070.05710.21
5.1.00.0000.02710.08
5.0.50.0000.0478.50
5.0.40.0030.0308.41
5.0.30.0070.0508.06
5.0.20.0000.0278.19
5.0.10.0030.0438.23
5.0.00.0000.0678.22
4.4.90.0000.0237.96
4.4.80.0000.0207.96
4.4.70.0030.0207.96
4.4.60.0000.0377.96
4.4.50.0030.0377.96
4.4.40.0000.0537.96
4.4.30.0000.0407.96
4.4.20.0030.0207.96
4.4.10.0030.0337.96
4.4.00.0000.0277.96
4.3.110.0030.0137.96
4.3.100.0000.0337.96
4.3.90.0000.0277.96
4.3.80.0000.0377.96
4.3.70.0030.0337.96
4.3.60.0030.0277.96
4.3.50.0030.0207.96
4.3.40.0070.0207.96
4.3.30.0000.0177.96
4.3.20.0030.0137.96
4.3.10.0030.0177.96
4.3.00.0070.0307.96

preferences:
44.18 ms | 400 KiB | 5 Q