3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = ['one', 'two', 'three', 'four', 'five']; echo 'foreach on $arr' . PHP_EOL; foreach($arr as $elem) { var_dump(current($arr)); } echo 'foreach on $refArr' . PHP_EOL; $refArr = &$arr; foreach($refArr as $elem) { var_dump(current($arr)); }

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)
8.3.60.0120.00318.43
8.3.50.0130.00521.16
8.3.40.0140.00718.67
8.3.30.0100.00719.09
8.3.20.0030.00520.21
8.3.10.0080.00423.53
8.3.00.0050.00323.71
8.2.180.0150.00716.63
8.2.170.0070.00722.96
8.2.160.0100.00322.20
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00417.50
8.2.110.0080.00322.25
8.2.100.0080.00317.50
8.2.90.0040.00419.05
8.2.80.0030.00517.97
8.2.70.0080.00317.50
8.2.60.0050.00317.91
8.2.50.0040.00418.07
8.2.40.0000.00821.19
8.2.30.0090.00018.06
8.2.20.0000.00717.73
8.2.10.0000.00718.04
8.2.00.0040.00418.04
8.1.280.0110.00725.92
8.1.270.0090.00020.38
8.1.260.0030.00526.35
8.1.250.0080.00028.09
8.1.240.0030.00623.92
8.1.230.0080.00417.48
8.1.220.0000.00817.74
8.1.210.0080.00018.77
8.1.200.0100.00017.23
8.1.190.0040.00417.13
8.1.180.0050.00318.10
8.1.170.0050.00318.38
8.1.160.0000.00721.88
8.1.150.0030.00318.75
8.1.140.0000.00717.40
8.1.130.0000.00717.61
8.1.120.0040.00417.34
8.1.110.0000.00717.33
8.1.100.0070.00017.43
8.1.90.0060.00317.50
8.1.80.0050.00317.47
8.1.70.0040.00417.43
8.1.60.0080.00017.54
8.1.50.0040.00417.47
8.1.40.0040.00417.49
8.1.30.0030.00517.59
8.1.20.0000.00717.55
8.1.10.0000.00717.50
8.1.00.0030.00517.36
8.0.300.0040.00418.77
8.0.290.0000.00716.75
8.0.280.0030.00318.47
8.0.270.0030.00317.17
8.0.260.0030.00317.21
8.0.250.0040.00416.84
8.0.240.0000.00616.94
8.0.230.0030.00316.96
8.0.220.0000.00716.76
8.0.210.0040.00416.86
8.0.200.0000.00716.83
8.0.190.0000.00716.99
8.0.180.0000.00716.82
8.0.170.0000.00816.80
8.0.160.0070.00016.86
8.0.150.0000.00716.84
8.0.140.0020.00516.79
8.0.130.0080.00013.27
8.0.120.0040.00416.76
8.0.110.0080.00016.79
8.0.100.0000.00716.91
8.0.90.0000.00816.88
8.0.80.0120.00316.89
8.0.70.0070.00016.78
8.0.60.0070.00016.89
8.0.50.0040.00416.75
8.0.30.0070.01117.20
8.0.20.0130.00617.40
8.0.10.0050.00216.81
8.0.00.0100.01016.86
7.4.330.0000.00515.08
7.4.320.0070.00016.61
7.4.300.0000.00716.60
7.4.290.0040.00416.60
7.4.280.0070.00016.38
7.4.270.0070.00016.57
7.4.260.0070.00016.50
7.4.250.0000.00816.36
7.4.240.0050.00216.48
7.4.230.0000.00716.44
7.4.220.0130.01216.53
7.4.210.0090.00916.63
7.4.200.0000.00716.50
7.4.160.0150.00616.16
7.4.150.0130.01017.40
7.4.140.0110.01117.86
7.4.130.0060.01216.50
7.4.120.0110.01016.55
7.4.110.0140.00316.46
7.4.100.0170.00716.45
7.4.90.0070.01016.36
7.4.80.0110.00519.39
7.4.70.0140.00416.61
7.4.60.0150.00016.54
7.4.50.0040.00416.36
7.4.40.0130.00316.54
7.4.30.0110.00916.52
7.4.00.0100.00714.96
7.3.330.0030.00313.24
7.3.320.0050.00013.18
7.3.310.0060.00316.33
7.3.300.0000.00616.28
7.3.290.0060.00816.21
7.3.280.0120.00916.29
7.3.270.0140.00317.40
7.3.260.0120.00616.50
7.3.250.0110.00716.48
7.3.240.0130.00316.26
7.3.230.0090.00916.42
7.3.210.0120.00416.29
7.3.200.0120.00916.56
7.3.190.0080.00816.29
7.3.180.0130.00916.48
7.3.170.0120.00616.50
7.3.160.0060.01316.20
7.2.330.0080.00916.34
7.2.320.0100.01016.61
7.2.310.0070.01016.39
7.2.300.0130.00316.39
7.2.290.0130.01016.64
7.2.60.0070.00716.88
7.2.00.0060.00919.46
7.1.200.0040.00415.62
7.1.100.0000.01518.16
7.1.70.0030.01016.91
7.1.60.0100.01419.42
7.1.50.0140.01117.06
7.1.00.0100.07022.46
7.0.200.0080.00316.79
7.0.60.0170.07720.03
7.0.50.0170.07017.82
7.0.40.0000.04720.02
7.0.30.0330.06720.30
7.0.20.0270.03320.21
7.0.10.0030.04720.00
7.0.00.0170.07720.18
5.6.280.0030.03320.86
5.6.210.0070.08020.68
5.6.200.0030.08718.19
5.6.190.0300.03020.67
5.6.180.0500.06720.45
5.6.170.0200.07720.38
5.6.160.0000.08720.61
5.6.150.0070.07718.19
5.6.140.0070.06318.11
5.6.130.0130.07318.11
5.6.120.0200.05721.00
5.6.110.0000.06321.01
5.6.100.0100.06321.00
5.6.90.0030.05721.07
5.6.80.0030.03720.53
5.5.350.0200.08020.52
5.5.340.0000.05317.98
5.5.330.0100.07720.13
5.5.320.0230.07720.30
5.5.310.0170.05020.30
5.5.300.0130.07017.95
5.5.290.0030.04017.91
5.5.280.0100.08720.77
5.5.270.0070.08320.63
5.5.260.0070.08320.87
5.5.250.0030.04020.68
5.5.240.0000.05020.23
5.4.450.0730.04719.44
5.4.440.0300.06019.41
5.4.430.0830.06319.46
5.4.420.0800.05319.29
5.4.410.0870.04719.27
5.4.400.0900.05019.19
5.4.390.0800.05719.14
5.4.380.0830.05319.18
5.4.370.1070.04319.14
5.4.360.0800.05718.91
5.4.350.0800.05319.17
5.4.340.1130.04319.08
5.4.320.0600.06019.24
5.4.310.0730.05019.11
5.4.300.0900.05718.79
5.4.290.0770.05319.21
5.4.280.0970.05019.18
5.4.270.0870.04719.14
5.4.260.0830.05018.94
5.4.250.0870.05018.78
5.4.240.0870.05019.18
5.4.230.0870.05019.15
5.4.220.0830.05319.14
5.4.210.1000.03718.96
5.4.200.0730.05716.77
5.4.190.0770.04318.96
5.4.180.0770.05319.07
5.4.170.0800.05319.10
5.4.160.0870.05019.27
5.4.150.0830.05019.26
5.4.140.0870.04316.21
5.4.130.0730.05016.47
5.4.120.0830.04316.22
5.4.110.0700.05716.15
5.4.100.0830.05016.37
5.4.90.0730.06016.25
5.4.80.0370.05016.43
5.4.70.0030.05716.32
5.4.60.0070.05016.41
5.4.50.0670.05016.20
5.4.40.0900.05716.19
5.4.30.0830.04316.45
5.4.20.0370.05316.22
5.4.10.0100.04716.18
5.4.00.0200.03715.79
5.3.290.0630.05714.77
5.3.280.1000.05714.44
5.3.270.0930.05714.63
5.3.260.0700.06014.55
5.3.250.0870.06014.59
5.3.240.0830.04714.70
5.3.230.0800.04714.44
5.3.220.0100.04714.40
5.3.210.0070.05314.55
5.3.200.0370.05314.36
5.3.190.0930.03714.55
5.3.180.0830.04714.52
5.3.170.0870.04714.41
5.3.160.0700.06314.41
5.3.150.0770.05314.41
5.3.140.0630.05314.51
5.3.130.0800.04014.40
5.3.120.0670.05714.49
5.3.110.0670.05714.53
5.3.100.0700.04714.03
5.3.90.0700.04713.86
5.3.80.0670.05014.03
5.3.70.0630.05314.03
5.3.60.0700.04313.80
5.3.50.0700.04713.88
5.3.40.0670.05013.93
5.3.30.0630.05014.00
5.3.20.0670.04713.64
5.3.10.0630.04713.53
5.3.00.0600.05313.43
5.2.170.0570.03711.24
5.2.160.0530.04310.98
5.2.150.0530.04311.09
5.2.140.0570.04011.09
5.2.130.0600.03311.18
5.2.120.0470.05011.04
5.2.110.0730.03011.18
5.2.100.0470.04310.95
5.2.90.0530.04011.09
5.2.80.0500.04711.03
5.2.70.0430.05010.98
5.2.60.0700.04310.84
5.2.50.0600.04710.80
5.2.40.0400.04710.78
5.2.30.0770.04310.96
5.2.20.0330.04711.01
5.2.10.0330.04710.77
5.2.00.0430.04310.62
5.1.60.0500.0339.98
5.1.50.0470.03710.02
5.1.40.0500.03310.03
5.1.30.0470.04010.28
5.1.20.0500.03310.25
5.1.10.0470.0379.99
5.1.00.0530.03310.07
5.0.50.0230.0278.38
5.0.40.0230.0278.30
5.0.30.0270.0408.25
5.0.20.0230.0408.20
5.0.10.0300.0308.39
5.0.00.0200.0438.05
4.4.90.0200.0275.82
4.4.80.0200.0275.81
4.4.70.0170.0275.82
4.4.60.0200.0205.82
4.4.50.0130.0235.76
4.4.40.0200.0375.79
4.4.30.0170.0205.81
4.4.20.0130.0235.81
4.4.10.0270.0175.90
4.4.00.0130.0375.85
4.3.110.0000.0235.75
4.3.100.0030.0205.75
4.3.90.0000.0235.73
4.3.80.0030.0375.72
4.3.70.0270.0175.67
4.3.60.0330.0135.74
4.3.50.0200.0205.73
4.3.40.0270.0305.64
4.3.30.0030.0204.78
4.3.20.0100.0234.78
4.3.10.0100.0204.78
4.3.00.0170.0177.17

preferences:
62.18 ms | 401 KiB | 5 Q