3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array('a', 'b'); foreach ($arr as &$a) { var_dump($a); } foreach ($arr as $a) { var_dump($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)
8.3.60.0120.00318.18
8.3.50.0160.00018.19
8.3.40.0160.00618.43
8.3.30.0030.01018.82
8.3.20.0080.00020.07
8.3.10.0030.00620.19
8.3.00.0080.00019.25
8.2.180.0060.01216.38
8.2.170.0090.00922.96
8.2.160.0000.01520.57
8.2.150.0090.00024.18
8.2.140.0040.00424.66
8.2.130.0000.00726.16
8.2.120.0040.00422.25
8.2.110.0040.00422.41
8.2.100.0100.00317.72
8.2.90.0050.00317.97
8.2.80.0050.00319.06
8.2.70.0070.00417.38
8.2.60.0040.00417.80
8.2.50.0030.00618.07
8.2.40.0030.00519.66
8.2.30.0040.00417.67
8.2.20.0000.00817.55
8.2.10.0060.00318.08
8.2.00.0000.00917.72
8.1.280.0120.00625.92
8.1.270.0080.00022.25
8.1.260.0070.00026.35
8.1.250.0000.00828.09
8.1.240.0060.00320.73
8.1.230.0110.00021.03
8.1.220.0000.00717.77
8.1.210.0030.00618.77
8.1.200.0060.00317.25
8.1.190.0040.00417.35
8.1.180.0030.00618.10
8.1.170.0040.00418.84
8.1.160.0040.00418.91
8.1.150.0040.00418.86
8.1.140.0070.00017.35
8.1.130.0000.00717.80
8.1.120.0030.00317.52
8.1.110.0040.00417.48
8.1.100.0000.00817.45
8.1.90.0030.00717.35
8.1.80.0040.00417.45
8.1.70.0000.00717.31
8.1.60.0000.00817.56
8.1.50.0060.00317.57
8.1.40.0030.00517.48
8.1.30.0030.00617.67
8.1.20.0000.00717.46
8.1.10.0050.00317.43
8.1.00.0040.00417.40
8.0.300.0000.00720.10
8.0.290.0050.00216.75
8.0.280.0070.00018.57
8.0.270.0040.00417.96
8.0.260.0000.00617.27
8.0.250.0030.00316.89
8.0.240.0000.00816.97
8.0.230.0040.00416.94
8.0.220.0030.00316.89
8.0.210.0000.00716.81
8.0.200.0000.00616.92
8.0.190.0040.00416.90
8.0.180.0030.00316.89
8.0.170.0030.00616.94
8.0.160.0050.00216.83
8.0.150.0030.00516.75
8.0.140.0040.00416.77
8.0.130.0030.00313.33
8.0.120.0040.00416.88
8.0.110.0000.00716.86
8.0.100.0050.00216.68
8.0.90.0050.00316.76
8.0.80.0160.00016.82
8.0.70.0040.00416.87
8.0.60.0030.00316.84
8.0.50.0000.00716.87
8.0.30.0110.00717.05
8.0.20.0130.00917.40
8.0.10.0040.00416.82
8.0.00.0100.01216.72
7.4.330.0000.00615.00
7.4.320.0000.00716.48
7.4.300.0000.00616.56
7.4.290.0030.00316.63
7.4.280.0060.00316.50
7.4.270.0070.00016.60
7.4.260.0040.00416.57
7.4.250.0040.00416.57
7.4.240.0020.00616.61
7.4.230.0000.00716.57
7.4.220.0000.01816.50
7.4.210.0070.00716.52
7.4.200.0070.00016.57
7.4.160.0070.01016.40
7.4.150.0100.01417.40
7.4.140.0150.00817.86
7.4.130.0130.01616.37
7.4.120.0060.01016.52
7.4.110.0040.01416.47
7.4.100.0120.00616.48
7.4.90.0150.00616.28
7.4.80.0060.01016.43
7.4.70.0100.00716.28
7.4.60.0030.01216.54
7.4.50.0030.00616.22
7.4.40.0100.00916.43
7.4.30.0090.00616.58
7.4.00.0120.00314.74
7.3.330.0050.00013.16
7.3.320.0000.00713.02
7.3.310.0030.00316.18
7.3.300.0000.00716.16
7.3.290.0110.00316.20
7.3.280.0090.00716.27
7.3.270.0120.00617.40
7.3.260.0110.00616.53
7.3.250.0100.00916.37
7.3.240.0100.00716.29
7.3.230.0030.01416.39
7.3.210.0040.01216.58
7.3.200.0060.01419.39
7.3.190.0110.01116.36
7.3.180.0090.00616.45
7.3.170.0050.01016.27
7.3.160.0030.01216.21
7.2.330.0080.00816.59
7.2.320.0060.00916.38
7.2.310.0150.00716.34
7.2.300.0100.01316.35
7.2.290.0080.00816.71
7.2.60.0070.01016.69
7.2.00.0070.00719.30
7.1.200.0000.01515.89
7.1.100.0000.01118.28
7.1.70.0040.00417.04
7.1.60.0170.00719.32
7.1.50.0100.01416.91
7.1.00.0030.07722.44
7.0.200.0000.01116.41
7.0.140.0000.07321.97
7.0.60.0070.08019.92
7.0.50.0130.07017.85
7.0.40.0100.06319.98
7.0.30.0400.03720.12
7.0.20.0170.06020.33
7.0.10.0030.04720.09
7.0.00.0070.06320.17
5.6.280.0070.07021.09
5.6.210.0070.05020.46
5.6.200.0030.08718.12
5.6.190.0000.04720.48
5.6.180.0270.08020.57
5.6.170.0230.08020.47
5.6.160.0030.04320.61
5.6.150.0100.07318.14
5.6.140.0100.03318.21
5.6.130.0100.07718.17
5.6.120.0070.08721.08
5.6.110.0130.08320.96
5.6.100.0000.07721.05
5.6.90.0070.07021.02
5.6.80.0030.03720.38
5.5.350.0130.06720.46
5.5.340.0100.06318.02
5.5.330.0070.08320.36
5.5.320.0000.04320.18
5.5.310.0370.07320.41
5.5.300.0070.05317.98
5.5.290.0070.08017.98
5.5.280.0030.04320.87
5.5.270.0100.08320.86
5.5.260.0170.07320.89
5.5.250.0030.09320.68
5.5.240.0300.07020.07
5.4.450.0070.03719.14
5.4.440.0070.03719.11
5.4.430.0100.04019.40
5.4.420.0130.03319.47
5.4.410.0000.09018.99
5.4.400.0000.04018.81
5.4.390.0000.04019.18
5.4.380.0000.04718.80
5.4.370.0070.03319.16
5.4.360.0000.04018.92
5.4.350.0070.03319.14
5.4.340.0070.04318.81
5.4.320.0030.03719.08
5.4.310.0070.03319.18
5.4.300.0070.04319.17
5.4.290.0030.04019.18
5.4.280.0070.03319.13
5.4.270.0030.03719.13
5.4.260.0070.03718.79
5.4.250.0030.03718.80
5.4.240.0000.04018.78
5.4.230.0030.04019.07
5.4.220.0030.03718.80
5.4.210.0000.04018.91
5.4.200.0030.03719.17
5.4.190.0030.03718.90
5.4.180.0030.03718.79
5.4.170.0000.04718.91
5.4.160.0030.07318.76
5.4.150.0070.04719.07
5.4.140.0070.05316.33
5.4.130.0030.04316.34
5.4.120.0070.03716.23
5.4.110.0130.06316.36
5.4.100.0000.07316.32
5.4.90.0130.05716.27
5.4.80.0070.03716.25
5.4.70.0070.03316.27
5.4.60.0000.08016.36
5.4.50.0070.03316.21
5.4.40.0000.04716.38
5.4.30.0000.08316.33
5.4.20.0000.07716.24
5.4.10.0100.05016.38
5.4.00.0000.04015.72
5.3.290.0100.03014.63
5.3.280.0030.04014.41
5.3.270.0100.03014.58
5.3.260.0030.04314.54
5.3.250.0100.04714.54
5.3.240.0030.03714.39
5.3.230.0130.03014.56
5.3.220.0070.07314.48
5.3.210.0070.07714.51
5.3.200.0000.08314.50
5.3.190.0130.06714.49
5.3.180.0100.04714.43
5.3.170.0000.04014.52
5.3.160.0070.07714.64
5.3.150.0030.04014.48
5.3.140.0000.04014.43
5.3.130.0000.08014.36
5.3.120.0130.07014.47
5.3.110.0070.06714.44
5.3.100.0000.04013.86
5.3.90.0070.03313.84
5.3.80.0070.03313.85
5.3.70.0070.05313.98
5.3.60.0030.05713.93
5.3.50.0070.03313.87
5.3.40.0030.05313.96
5.3.30.0100.06713.84
5.3.20.0070.05013.66
5.3.10.0030.05313.58
5.3.00.0100.04313.65
5.2.170.0030.03011.05
5.2.160.0000.03011.22
5.2.150.0100.03711.04
5.2.140.0030.05311.12
5.2.130.0030.04311.03
5.2.120.0130.05711.25
5.2.110.0070.06011.03
5.2.100.0000.06010.96
5.2.90.0070.03311.18
5.2.80.0030.05311.00
5.2.70.0000.06311.06
5.2.60.0070.05711.02
5.2.50.0000.07011.00
5.2.40.0130.05710.93
5.2.30.0100.05710.94
5.2.20.0030.05010.88
5.2.10.0100.02310.91
5.2.00.0130.05010.71
5.1.60.0030.03010.00
5.1.50.0100.02010.06
5.1.40.0030.05310.02
5.1.30.0130.05010.18
5.1.20.0070.04010.35
5.1.10.0070.0539.98
5.1.00.0000.06310.06
5.0.50.0070.0478.46
5.0.40.0000.0278.39
5.0.30.0070.0608.24
5.0.20.0000.0438.18
5.0.10.0030.0478.07
5.0.00.0070.0538.16
4.4.90.0070.0307.00
4.4.80.0000.0377.00
4.4.70.0030.0177.00
4.4.60.0000.0337.00
4.4.50.0000.0307.00
4.4.40.0030.0537.00
4.4.30.0000.0337.00
4.4.20.0030.0337.00
4.4.10.0100.0137.00
4.4.00.0030.0437.00
4.3.110.0030.0207.00
4.3.100.0000.0277.00
4.3.90.0030.0277.00
4.3.80.0030.0337.00
4.3.70.0030.0177.00
4.3.60.0030.0337.00
4.3.50.0030.0237.00
4.3.40.0030.0307.00
4.3.30.0000.0407.00
4.3.20.0030.0407.00
4.3.10.0030.0307.00
4.3.00.0000.0337.00

preferences:
57.09 ms | 400 KiB | 5 Q