3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(array(1,2,3), array(4,5,6)); foreach ($a as $r) { $r[] = 7; } print_r($a);

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)
8.3.60.0060.01118.31
8.3.50.0120.00721.21
8.3.40.0100.01018.84
8.3.30.0070.00720.33
8.3.20.0080.00018.65
8.3.10.0080.00021.09
8.3.00.0040.00422.48
8.2.180.0130.00616.38
8.2.170.0080.00822.96
8.2.160.0030.01020.35
8.2.150.0060.00324.18
8.2.140.0080.00024.66
8.2.130.0000.00726.16
8.2.120.0040.00420.98
8.2.110.0060.00621.05
8.2.100.0090.00617.64
8.2.90.0040.00419.21
8.2.80.0070.00018.05
8.2.70.0000.00917.75
8.2.60.0040.00418.03
8.2.50.0080.00018.07
8.2.40.0060.00318.16
8.2.30.0000.00919.82
8.2.20.0040.00417.71
8.2.10.0070.00017.59
8.2.00.0000.00817.56
8.1.280.0130.00325.92
8.1.270.0030.00623.99
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0030.00622.45
8.1.230.0040.00820.97
8.1.220.0000.00718.77
8.1.210.0080.00018.89
8.1.200.0030.00817.23
8.1.190.0000.00817.43
8.1.180.0060.00318.10
8.1.170.0050.00318.91
8.1.160.0030.00518.89
8.1.150.0040.00418.55
8.1.140.0040.00417.32
8.1.130.0000.00717.73
8.1.120.0050.00317.37
8.1.110.0040.00417.38
8.1.100.0000.00717.38
8.1.90.0000.00817.39
8.1.80.0040.00417.51
8.1.70.0000.00717.42
8.1.60.0030.00617.57
8.1.50.0090.00017.42
8.1.40.0030.00617.53
8.1.30.0080.00017.63
8.1.20.0040.00417.61
8.1.10.0000.00717.46
8.1.00.0040.00417.40
8.0.300.0030.00319.85
8.0.290.0040.00716.58
8.0.280.0030.00318.35
8.0.270.0000.00717.21
8.0.260.0000.00616.81
8.0.250.0030.00316.86
8.0.240.0040.00416.95
8.0.230.0000.00716.93
8.0.220.0030.00316.89
8.0.210.0000.00716.82
8.0.200.0060.00016.94
8.0.190.0030.00316.82
8.0.180.0070.00016.94
8.0.170.0000.00716.86
8.0.160.0030.00316.82
8.0.150.0080.00016.91
8.0.140.0000.00816.85
8.0.130.0050.00013.30
8.0.120.0030.00516.87
8.0.110.0070.00016.89
8.0.100.0000.00716.77
8.0.90.0000.00716.78
8.0.80.0120.00316.86
8.0.70.0040.00416.70
8.0.60.0070.00016.81
8.0.50.0000.00816.76
8.0.30.0120.00617.09
8.0.20.0080.01017.40
8.0.10.0080.00016.98
8.0.00.0140.00716.66
7.4.330.0000.00516.70
7.4.320.0070.00016.57
7.4.300.0000.00616.49
7.4.290.0070.00016.53
7.4.280.0000.00716.44
7.4.270.0030.00316.53
7.4.260.0060.00013.26
7.4.250.0000.00716.58
7.4.240.0030.00516.49
7.4.230.0030.00316.48
7.4.220.0090.00916.62
7.4.210.0080.01116.55
7.4.200.0030.00316.39
7.4.190.0030.00316.40
7.4.160.0100.00716.57
7.4.150.0120.00917.40
7.4.140.0130.00517.86
7.4.130.0100.00816.53
7.4.120.0060.01216.49
7.4.110.0100.00616.16
7.4.100.0030.01316.44
7.4.90.0080.00816.48
7.4.80.0100.00719.39
7.4.70.0060.00916.53
7.4.60.0210.00316.52
7.4.50.0030.00516.28
7.4.40.0060.00622.77
7.4.30.0060.01216.46
7.4.00.0110.00414.87
7.3.330.0020.00213.02
7.3.320.0050.00013.25
7.3.310.0070.00016.23
7.3.300.0070.00016.25
7.3.290.0130.00716.37
7.3.280.0050.01016.32
7.3.270.0100.00717.40
7.3.260.0110.00818.24
7.3.250.0090.00816.36
7.3.240.0070.01016.24
7.3.230.0170.00616.54
7.3.210.0090.00916.23
7.3.200.0090.01319.39
7.3.190.0090.01216.35
7.3.180.0060.01016.59
7.3.170.0090.00616.31
7.3.160.0100.00616.40
7.3.120.0000.01714.84
7.2.330.0100.00916.73
7.2.320.0160.00716.52
7.2.310.0120.00616.42
7.2.300.0060.01516.79
7.2.290.0000.02016.63
7.2.00.0080.00819.10
7.1.100.0070.00718.14
7.1.70.0000.00716.90
7.1.60.0000.02219.17
7.1.50.0140.01016.69
7.1.00.0000.03722.27
7.0.200.0100.00016.79
7.0.140.0130.06322.09
7.0.100.0030.06320.07
7.0.90.0100.08020.01
7.0.80.0100.08019.90
7.0.70.0100.08019.92
7.0.60.0130.06319.89
7.0.50.0070.07720.34
7.0.40.0070.08020.00
7.0.30.0100.07720.09
7.0.20.0100.08020.15
7.0.10.0200.07019.95
7.0.00.0030.08720.18
5.6.280.0000.07720.82
5.6.250.0130.07720.77
5.6.240.0100.08020.61
5.6.230.0070.08020.50
5.6.220.0130.08020.68
5.6.210.0100.08320.75
5.6.200.0000.09021.06
5.6.190.0070.08321.06
5.6.180.0070.05321.13
5.6.170.0070.07721.09
5.6.160.0030.08721.10
5.6.150.0100.07721.00
5.6.140.0000.06321.06
5.6.130.0070.07321.07
5.6.120.0100.08321.04
5.6.110.0070.07320.94
5.6.100.0070.08721.00
5.6.90.0070.08721.00
5.6.80.0170.05320.43
5.6.70.0030.08320.44
5.6.60.0100.07720.54
5.6.50.0070.07320.45
5.6.40.0130.08020.36
5.6.30.0170.07020.36
5.6.20.0100.07720.44
5.6.10.0100.06720.52
5.6.00.0070.07320.38
5.5.380.0070.08020.34
5.5.370.0100.08020.39
5.5.360.0100.05320.34
5.5.350.0030.05020.37
5.5.340.0170.07320.91
5.5.330.0130.07720.83
5.5.320.0070.08020.79
5.5.310.0100.05020.73
5.5.300.0130.07720.79
5.5.290.0070.08320.88
5.5.280.0030.08720.86
5.5.270.0100.05720.72
5.5.260.0130.04720.89
5.5.250.0000.08320.64
5.5.240.0100.07320.13
5.5.230.0130.07020.25
5.5.220.0130.06720.15
5.5.210.0000.08320.29
5.5.200.0030.08020.25
5.5.190.0030.08020.13
5.5.180.0100.05320.23
5.5.160.0100.07720.18
5.5.150.0000.07320.24
5.5.140.0100.07720.24
5.5.130.0070.07720.21
5.5.120.0100.07320.21
5.5.110.0100.04320.12
5.5.100.0070.08320.05
5.5.90.0070.07320.09
5.5.80.0030.08020.16
5.5.70.0070.08020.16
5.5.60.0000.08719.96
5.5.50.0100.04320.14
5.5.40.0030.05719.90
5.5.30.0070.05719.95
5.5.20.0170.06719.95
5.5.10.0100.08020.12
5.5.00.0100.07320.00
5.4.450.0070.08319.58
5.4.440.0130.07719.42
5.4.430.0000.08319.37
5.4.420.0070.07319.46
5.4.410.0030.07719.38
5.4.400.0130.07019.10
5.4.390.0200.06718.95
5.4.380.0130.03718.85
5.4.370.0070.07719.14
5.4.360.0030.08318.91
5.4.350.0000.05018.88
5.4.340.0030.08019.14
5.4.320.0030.08318.88
5.4.310.0200.06719.18
5.4.300.0070.08018.95
5.4.290.0100.07718.95
5.4.280.0130.06719.04
5.4.270.0030.08019.18
5.4.260.0100.07318.88
5.4.250.0070.05719.15
5.4.240.0070.07019.23
5.4.230.0100.06719.18
5.4.220.0170.03718.84
5.4.210.0130.06719.16
5.4.200.0100.06718.89
5.4.190.0070.07019.04
5.4.180.0070.07319.03
5.4.170.0070.07719.09
5.4.160.0100.07019.00
5.4.150.0130.07319.10
5.4.140.0130.06316.42
5.4.130.0070.06316.44
5.4.120.0070.07016.18
5.4.110.0070.07016.43
5.4.100.0000.08016.32
5.4.90.0030.04716.43
5.4.80.0100.06016.45
5.4.70.0100.07016.46
5.4.60.0070.04016.43
5.4.50.0130.07016.36
5.4.40.0000.07016.37
5.4.30.0100.04716.29
5.4.20.0070.07316.42
5.4.10.0070.07016.33
5.4.00.0030.07715.71
5.3.290.0100.07014.79
5.3.280.0100.07314.64
5.3.270.0100.07714.70
5.3.260.0100.06714.71
5.3.250.0070.07714.66
5.3.240.0030.05014.66
5.3.230.0070.07314.57
5.3.220.0030.05014.53
5.3.210.0100.07314.52
5.3.200.0070.07714.49
5.3.190.0100.06314.52
5.3.180.0100.07014.56
5.3.170.0070.06314.55
5.3.160.0100.06314.65
5.3.150.0130.06714.59
5.3.140.0070.07714.53
5.3.130.0070.07314.48
5.3.120.0030.08314.66
5.3.110.0070.08014.59
5.3.100.0070.07314.02
5.3.90.0170.06714.15
5.3.80.0070.07014.02
5.3.70.0070.04014.06
5.3.60.0030.04014.07
5.3.50.0130.06713.99
5.3.40.0170.06013.87
5.3.30.0000.04013.78
5.3.20.0130.06313.70
5.3.10.0100.06313.71
5.3.00.0000.07713.68
5.2.170.0000.07011.20
5.2.160.0030.06011.00
5.2.150.0100.04011.15
5.2.140.0030.06011.23
5.2.130.0070.05011.12
5.2.120.0030.06011.08
5.2.110.0000.04311.15
5.2.100.0030.03311.17
5.2.90.0070.02711.16
5.2.80.0100.05711.22
5.2.70.0000.06011.14
5.2.60.0100.05711.06
5.2.50.0070.06010.92
5.2.40.0070.05711.02
5.2.30.0100.06310.90
5.2.20.0000.06010.82
5.2.10.0000.05010.92
5.2.00.0070.05310.82
5.1.60.0030.05310.16
5.1.50.0100.04710.16
5.1.40.0030.05310.16
5.1.30.0070.05710.38
5.1.20.0000.06010.41
5.1.10.0170.04310.16
5.1.00.0030.05310.16
5.0.50.0100.04010.16
5.0.40.0100.03710.16
5.0.30.0030.06010.16
5.0.20.0030.04710.16
5.0.10.0030.04310.16
5.0.00.0030.06710.16
4.4.90.0100.02710.16
4.4.80.0030.03310.16
4.4.70.0030.03310.16
4.4.60.0030.03310.16
4.4.50.0030.03310.16
4.4.40.0000.05710.16
4.4.30.0030.03310.16
4.4.20.0000.03710.16
4.4.10.0000.03710.16
4.4.00.0030.05310.16
4.3.110.0000.03710.16
4.3.100.0030.03710.16
4.3.90.0030.03310.16
4.3.80.0070.04710.16
4.3.70.0070.03010.16
4.3.60.0030.03310.16
4.3.50.0000.03310.16
4.3.40.0030.05310.16
4.3.30.0030.03310.16
4.3.20.0000.03310.16
4.3.10.0030.03310.16
4.3.00.0030.03310.16

preferences:
35.56 ms | 401 KiB | 5 Q