3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = ['foo','bar','baz']; foreach ($a as $i) { echo $i . " - " . current($a); } foreach ($a as &$i) { echo $i . " - " . current($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)
8.3.60.0060.01616.63
8.3.50.0070.01018.10
8.3.40.0120.00618.67
8.3.30.0070.00718.41
8.3.20.0040.00420.29
8.3.10.0040.00423.50
8.3.00.0050.00319.66
8.2.180.0090.01216.50
8.2.170.0110.00322.96
8.2.160.0030.01020.43
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0090.00020.82
8.2.120.0040.00426.35
8.2.110.0060.00322.25
8.2.100.0000.01218.04
8.2.90.0080.00019.27
8.2.80.0030.00517.97
8.2.70.0060.00317.63
8.2.60.0040.00417.93
8.2.50.0080.00018.07
8.2.40.0050.00520.35
8.2.30.0000.00720.69
8.2.20.0040.00417.55
8.2.10.0080.00018.13
8.2.00.0030.00617.98
8.1.280.0150.00625.92
8.1.270.0060.00320.22
8.1.260.0080.00028.09
8.1.250.0040.00428.09
8.1.240.0090.00023.88
8.1.230.0040.00817.57
8.1.220.0030.00617.80
8.1.210.0100.00018.77
8.1.200.0030.00617.35
8.1.190.0040.00417.35
8.1.180.0040.00418.10
8.1.170.0000.00818.59
8.1.160.0070.00020.66
8.1.150.0000.00718.88
8.1.140.0050.00319.56
8.1.130.0030.00317.45
8.1.120.0040.00417.34
8.1.110.0030.00417.48
8.1.100.0000.00817.47
8.1.90.0000.00817.46
8.1.80.0040.00417.46
8.1.70.0000.00717.39
8.1.60.0060.00317.61
8.1.50.0030.00617.42
8.1.40.0000.00817.56
8.1.30.0030.00517.48
8.1.20.0000.00717.66
8.1.10.0040.00417.55
8.1.00.0000.00717.41
8.0.300.0040.00418.77
8.0.290.0040.00416.63
8.0.280.0030.00318.48
8.0.270.0030.00317.25
8.0.260.0030.00316.68
8.0.250.0000.00716.95
8.0.240.0060.00316.90
8.0.230.0040.00416.97
8.0.220.0000.00716.80
8.0.210.0040.00416.90
8.0.200.0000.00816.90
8.0.190.0070.00416.88
8.0.180.0030.00316.92
8.0.170.0050.00316.91
8.0.160.0040.00316.88
8.0.150.0070.00016.74
8.0.140.0080.00016.84
8.0.130.0030.00313.38
8.0.120.0030.00616.76
8.0.110.0050.00316.79
8.0.100.0040.00416.91
8.0.90.0000.00716.84
8.0.80.0070.01016.93
8.0.70.0000.00716.70
8.0.60.0070.00016.76
8.0.50.0000.00716.73
8.0.30.0110.00917.08
8.0.20.0090.00917.40
8.0.10.0000.00717.05
8.0.00.0120.00616.65
7.4.330.0020.00216.84
7.4.320.0070.00016.50
7.4.300.0000.00716.45
7.4.290.0000.00716.50
7.4.280.0050.00216.44
7.4.270.0030.00316.45
7.4.260.0000.00716.63
7.4.250.0040.00416.48
7.4.240.0040.00416.58
7.4.230.0040.00416.25
7.4.220.0060.01516.68
7.4.210.0070.00716.45
7.4.200.0040.00416.67
7.4.160.0090.00616.48
7.4.150.0100.00717.40
7.4.140.0120.01017.86
7.4.130.0160.00616.25
7.4.120.0090.00916.50
7.4.110.0130.00316.30
7.4.100.0120.00616.58
7.4.90.0090.01616.41
7.4.80.0070.01019.39
7.4.70.0060.00916.43
7.4.60.0130.00316.46
7.4.50.0030.01016.52
7.4.40.0090.01316.58
7.4.30.0130.01016.50
7.4.00.0040.01414.80
7.3.330.0020.00213.09
7.3.320.0050.00013.20
7.3.310.0030.00316.30
7.3.300.0000.00716.25
7.3.290.0060.00916.24
7.3.280.0060.00916.26
7.3.270.0110.00617.40
7.3.260.0140.00316.30
7.3.240.0090.00816.41
7.3.230.0120.00616.41
7.3.210.0150.00316.47
7.3.200.0030.01316.37
7.3.190.0070.01116.25
7.3.180.0080.00916.36
7.3.170.0030.01616.61
7.3.160.0120.00316.13
7.2.330.0070.01016.53
7.2.320.0100.01316.66
7.2.310.0060.01116.70
7.2.300.0160.00716.77
7.2.290.0080.01316.64
7.2.60.0110.00416.63
7.2.00.0090.00619.17
7.1.200.0000.01315.48
7.1.100.0060.00917.77
7.1.70.0060.00917.12
7.1.60.0130.01019.44
7.1.50.0090.01617.04
7.1.00.0030.07722.45
7.0.200.0030.00616.77
7.0.60.0070.06021.69
7.0.50.0070.08717.81
7.0.40.0100.07019.90
7.0.30.0300.06320.18
7.0.20.0300.07720.02
7.0.10.0100.08020.13
7.0.00.0000.05020.03
5.6.280.0000.03321.12
5.6.210.0030.06020.59
5.6.200.0070.09018.19
5.6.190.0070.05720.75
5.6.180.0170.08720.68
5.6.170.0300.07720.48
5.6.160.0030.05320.49
5.6.150.0000.05018.12
5.6.140.0100.08018.21
5.6.130.0070.08018.17
5.6.120.0200.07321.12
5.6.110.0030.05021.02
5.6.100.0070.03720.98
5.6.90.0100.09020.96
5.6.80.0170.06720.36
5.5.350.0130.06320.48
5.5.340.0030.03717.98
5.5.330.0030.04320.40
5.5.320.0730.06020.27
5.5.310.0230.06320.21
5.5.300.0130.05017.92
5.5.290.0070.05018.01
5.5.280.0070.03720.73
5.5.270.0100.07720.87
5.5.260.0030.04020.93
5.5.250.0030.08020.79
5.5.240.0170.08020.15
5.4.450.0570.05319.52
5.4.440.0170.05719.11
5.4.430.0170.05319.44
5.4.420.0370.06319.46
5.4.410.0300.06319.50
5.4.400.0030.07318.78
5.4.390.0230.04719.15
5.4.380.0130.05718.91
5.4.370.0170.05319.14
5.4.360.0170.05718.78
5.4.350.0270.04319.08
5.4.340.0200.05019.09
5.4.320.0470.05718.78
5.4.310.0470.05319.20
5.4.300.0400.05319.18
5.4.290.0500.05019.12
5.4.280.0400.06019.14
5.4.270.0330.06019.21
5.4.260.0270.06019.14
5.4.250.0330.06019.11
5.4.240.0130.05019.20
5.4.230.0470.05319.29
5.4.220.0530.05018.99
5.4.210.0070.05719.19
5.4.200.0200.04718.97
5.4.190.0230.05019.17
5.4.180.0200.04718.77
5.4.170.0500.05018.90
5.4.160.0600.05018.78
5.4.150.0500.05719.09
5.4.140.0630.05316.24
5.4.130.0470.04716.35
5.4.120.0530.04716.18
5.4.110.0600.05016.52
5.4.100.0630.04716.44
5.4.90.0530.05316.53
5.4.80.0570.07316.43
5.4.70.0530.04716.39
5.4.60.0600.06716.42
5.4.50.0330.05016.17
5.4.40.0430.04716.35
5.4.30.0470.04316.50
5.4.20.0570.04316.40
5.4.10.0430.04716.41
5.4.00.0330.05015.93
5.3.290.0470.05314.50
5.3.280.0570.06314.54
5.3.270.0030.06014.48
5.3.260.0530.05014.45
5.3.250.0600.04714.48
5.3.240.0530.04714.60
5.3.230.0570.04714.43
5.3.220.0500.05314.40
5.3.210.0530.05714.59
5.3.200.0570.05714.40
5.3.190.0800.05014.39
5.3.180.0430.05314.40
5.3.170.0700.06714.40
5.3.160.0500.07014.35
5.3.150.0030.06014.52
5.3.140.0430.05014.55
5.3.130.0100.05714.38
5.3.120.0400.06314.41
5.3.110.0400.06014.63
5.3.100.0130.05013.88
5.3.90.0130.04714.00
5.3.80.0070.05313.84
5.3.70.0130.05013.85
5.3.60.0270.06013.88
5.3.50.0570.04313.78
5.3.40.0130.05013.89
5.3.30.0170.04713.75
5.3.20.0100.05013.64
5.3.10.0100.04713.50
5.3.00.0470.04713.47
5.2.170.0270.03711.18
5.2.160.0200.03310.99
5.2.150.0100.04011.18
5.2.140.0130.04011.00
5.2.130.0070.04010.89
5.2.120.0200.04711.19
5.2.110.0300.04011.04
5.2.100.0200.02711.19
5.2.90.0370.04011.08
5.2.80.0500.04711.05
5.2.70.0300.05711.03
5.2.60.0300.05310.88
5.2.50.0170.03710.87
5.2.40.0070.04710.83
5.2.30.0070.04011.14
5.2.20.0030.04310.92
5.2.10.0070.04310.89
5.2.00.0100.05310.72
5.1.60.0100.0339.89
5.1.50.0270.0339.96
5.1.40.0130.03310.14
5.1.30.0100.03310.27
5.1.20.0030.04010.21
5.1.10.0070.03310.22
5.1.00.0000.04010.00
5.0.50.0170.0208.63
5.0.40.0000.0338.25
5.0.30.0070.0438.26
5.0.20.0100.0208.12
5.0.10.0130.0308.21
5.0.00.0130.0408.13
4.4.90.0100.0177.38
4.4.80.0000.0237.38
4.4.70.0100.0207.38
4.4.60.0000.0277.38
4.4.50.0000.0277.38
4.4.40.0130.0277.38
4.4.30.0000.0277.38
4.4.20.0100.0177.38
4.4.10.0030.0277.38
4.4.00.0070.0337.38
4.3.110.0030.0237.38
4.3.100.0030.0237.38
4.3.90.0070.0237.38
4.3.80.0170.0307.38
4.3.70.0130.0237.38
4.3.60.0170.0177.38
4.3.50.0030.0277.38
4.3.40.0000.0377.38
4.3.30.0100.0207.38
4.3.20.0000.0237.38
4.3.10.0030.0207.38
4.3.00.0070.0207.38

preferences:
97.28 ms | 400 KiB | 5 Q