3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array(1, 2, 3); foreach ( $arr as & $value ) { $value = $value * 2 ; } var_dump($arr); foreach($arr as $value) { echo $value; //2 4 4 }

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)
8.3.60.0170.00316.75
8.3.50.0150.00521.19
8.3.40.0070.00718.59
8.3.30.0050.01018.94
8.3.20.0040.00420.21
8.3.10.0000.00823.66
8.3.00.0060.00317.25
8.2.180.0150.00016.38
8.2.170.0100.00318.93
8.2.160.0150.00022.96
8.2.150.0040.00424.18
8.2.140.0060.00324.66
8.2.130.0020.00526.16
8.2.120.0040.00419.25
8.2.110.0090.00020.38
8.2.100.0120.00017.63
8.2.90.0060.00319.23
8.2.80.0050.00317.97
8.2.70.0060.00317.63
8.2.60.0000.00817.80
8.2.50.0000.00818.07
8.2.40.0040.00419.94
8.2.30.0070.00018.05
8.2.20.0050.00317.59
8.2.10.0050.00318.11
8.2.00.0060.00317.71
8.1.280.0070.00725.92
8.1.270.0040.00420.42
8.1.260.0000.00726.35
8.1.250.0000.00728.09
8.1.240.0040.00423.79
8.1.230.0070.00417.65
8.1.220.0030.00617.78
8.1.210.0030.00618.77
8.1.200.0040.00417.48
8.1.190.0040.00417.22
8.1.180.0000.00818.10
8.1.170.0030.00520.43
8.1.160.0000.00822.00
8.1.150.0040.00418.90
8.1.140.0040.00417.44
8.1.130.0030.00317.75
8.1.120.0000.00717.46
8.1.110.0040.00417.29
8.1.100.0020.00517.48
8.1.90.0000.00717.35
8.1.80.0000.00717.45
8.1.70.0030.00317.47
8.1.60.0040.00417.57
8.1.50.0000.00917.55
8.1.40.0050.00317.45
8.1.30.0000.00917.54
8.1.20.0050.00317.53
8.1.10.0040.00417.46
8.1.00.0080.00017.43
8.0.300.0040.00418.77
8.0.290.0000.00716.63
8.0.280.0030.00318.44
8.0.270.0060.00317.24
8.0.260.0040.00417.16
8.0.250.0000.00716.98
8.0.240.0030.00316.91
8.0.230.0020.00517.00
8.0.220.0080.00016.88
8.0.210.0040.00416.75
8.0.200.0000.00616.87
8.0.190.0050.00516.94
8.0.180.0050.00316.78
8.0.170.0070.00016.80
8.0.160.0040.00416.99
8.0.150.0000.00816.79
8.0.140.0000.00716.71
8.0.130.0030.00313.30
8.0.120.0040.00416.75
8.0.110.0050.00316.83
8.0.100.0040.00416.91
8.0.90.0060.00316.73
8.0.80.0130.00416.76
8.0.70.0070.00016.90
8.0.60.0040.00416.71
8.0.50.0050.00316.99
8.0.30.0080.01216.89
8.0.20.0080.01117.40
8.0.10.0040.00416.83
8.0.00.0130.00816.77
7.4.330.0060.00015.12
7.4.320.0030.00316.54
7.4.300.0000.00616.41
7.4.290.0070.00016.59
7.4.280.0000.00716.39
7.4.270.0030.00316.44
7.4.260.0000.00716.57
7.4.250.0040.00416.43
7.4.240.0020.00516.45
7.4.230.0000.00716.48
7.4.220.0130.01316.54
7.4.210.0000.01416.49
7.4.200.0000.00716.69
7.4.160.0030.01616.43
7.4.150.0150.00417.40
7.4.140.0120.00617.86
7.4.130.0150.00816.60
7.4.120.0090.01016.48
7.4.110.0060.01216.40
7.4.100.0090.01216.51
7.4.90.0140.00316.30
7.4.80.0120.00419.39
7.4.70.0110.00616.54
7.4.60.0000.01616.47
7.4.50.0060.00316.57
7.4.40.0130.00616.43
7.4.30.0110.00716.36
7.4.00.0100.00614.89
7.3.330.0000.00613.01
7.3.320.0140.00213.06
7.3.310.0030.00316.26
7.3.300.0070.00016.32
7.3.290.0040.01016.28
7.3.280.0140.00816.29
7.3.270.0090.00917.40
7.3.260.0040.01416.51
7.3.250.0190.00416.27
7.3.240.0060.01516.64
7.3.230.0100.01316.40
7.3.210.0100.00716.24
7.3.200.0120.00619.39
7.3.190.0100.01016.29
7.3.180.0040.01816.35
7.3.170.0110.00616.32
7.3.160.0030.01216.36
7.2.330.0070.01016.34
7.2.320.0120.00616.78
7.2.310.0030.01416.57
7.2.300.0130.00316.51
7.2.290.0070.01116.55
7.2.00.0000.01219.49
7.1.100.0060.00618.38
7.1.70.0040.00417.20
7.1.60.0070.01819.50
7.1.50.0210.01434.82
7.1.00.0130.06722.33
7.0.200.0040.00416.93
7.0.140.0030.03722.04
7.0.60.0130.08019.91
7.0.50.0170.05317.81
7.0.40.0130.08320.40
7.0.30.0570.03720.30
7.0.20.0130.09020.13
7.0.10.0200.04720.13
7.0.00.0100.07720.16
5.6.280.0000.07320.99
5.6.210.0130.06020.51
5.6.200.0100.06318.09
5.6.190.0130.04320.47
5.6.180.0270.08720.24
5.6.170.0300.03320.50
5.6.160.0030.05020.32
5.6.150.0100.08018.21
5.6.140.0100.07718.11
5.6.130.0100.07718.07
5.6.120.0100.08321.11
5.6.110.0070.04721.02
5.6.100.0200.06720.96
5.6.90.0030.04021.10
5.6.80.0030.08720.37
5.6.70.0230.06720.50
5.5.350.0230.06320.40
5.5.340.0070.03717.92
5.5.330.0030.04020.06
5.5.320.0370.05720.20
5.5.310.0430.06320.29
5.5.300.0100.07318.01
5.5.290.0070.08017.96
5.5.280.0000.04720.87
5.5.270.0100.08320.97
5.5.260.0000.04320.86
5.5.250.0100.08020.68
5.5.240.0070.05320.25
5.4.450.0430.05319.44
5.4.440.0400.06719.31
5.4.430.0930.06719.09
5.4.420.0530.06719.50
5.4.410.0130.06318.85
5.4.400.0530.05318.83
5.4.390.0470.05718.74
5.4.380.0570.05018.46
5.4.370.0430.04718.65
5.4.360.0400.06718.46
5.4.350.0500.06318.72
5.4.340.0400.06018.57
5.4.320.0630.07718.62
5.4.310.0400.07318.74
5.4.300.0500.07018.63
5.4.290.0630.03718.65
5.4.280.0200.07018.73
5.4.270.0300.09018.64
5.4.260.0570.05718.64
5.4.250.0330.06318.58
5.4.240.0430.05018.56
5.4.230.0400.05318.72
5.4.220.0600.06018.74
5.4.210.0530.06318.70
5.4.200.0430.06016.38
5.4.190.0300.08018.72
5.4.180.0330.06318.54
5.4.170.0430.05718.48
5.4.160.0370.07718.68
5.4.150.0600.04018.75
5.4.140.0370.06016.29
5.4.130.0700.05016.30
5.4.120.0500.06016.32
5.4.110.0300.05316.18
5.4.100.0570.06016.06
5.4.90.0330.05716.29
5.4.80.0500.06716.15
5.4.70.0500.04016.14
5.4.60.0300.05716.17
5.4.50.0100.05716.05
5.4.40.0200.04716.13
5.4.30.0130.05716.28
5.4.20.0470.04716.27
5.4.10.0470.04716.16
5.4.00.0500.05715.70
5.3.290.0600.06014.77
5.3.280.0430.07014.64
5.3.270.0500.06314.70
5.3.260.0430.07714.59
5.3.250.0470.06714.64
5.3.240.0430.07714.70
5.3.230.0300.06714.59
5.3.220.0300.06014.48
5.3.210.0470.06014.66
5.3.200.0430.04714.56
5.3.190.0470.04714.58
5.3.180.0470.05314.47
5.3.170.0370.04714.63
5.3.160.0170.05314.55
5.3.150.0370.06014.53
5.3.140.0400.06014.54
5.3.130.0470.06314.54
5.3.120.0470.05314.53
5.3.110.0330.07714.62
5.3.100.0370.06714.08
5.3.90.0470.06013.97
5.3.80.0330.07013.94
5.3.70.0330.06314.00
5.3.60.0400.04313.96
5.3.50.0330.05013.86
5.3.40.0370.06013.92
5.3.30.0430.06313.89
5.3.20.0570.05313.64
5.3.10.0500.06313.75
5.3.00.0370.05013.66
5.2.170.0430.04311.10
5.2.160.0400.03311.11
5.2.150.0230.04711.14
5.2.140.0170.05311.09
5.2.130.0430.05011.15
5.2.120.0600.04711.23
5.2.110.0300.05011.13
5.2.100.0270.06011.06
5.2.90.0300.04711.04
5.2.80.0330.04311.25
5.2.70.0270.04311.16
5.2.60.0200.05311.02
5.2.50.0400.04010.99
5.2.40.0300.04011.03
5.2.30.0230.04710.92
5.2.20.0230.03710.94
5.2.10.0230.04010.88
5.2.00.0300.04710.81
5.1.60.0470.04310.03
5.1.50.0170.04710.19
5.1.40.0270.03010.09
5.1.30.0270.03710.38
5.1.20.0170.04710.55
5.1.10.0230.04310.06
5.1.00.0200.03710.08
5.0.50.0200.0278.60
5.0.40.0100.0438.44
5.0.30.0200.0378.29
5.0.20.0170.0278.29
5.0.10.0100.0378.28
5.0.00.0130.0438.19
4.4.90.0100.0375.91
4.4.80.0130.0235.90
4.4.70.0200.0235.90
4.4.60.0170.0275.86
4.4.50.0070.0235.92
4.4.40.0170.0375.82
4.4.30.0030.0335.83
4.4.20.0070.0235.93
4.4.10.0270.0205.93
4.4.00.0170.0375.89
4.3.110.0200.0205.80
4.3.100.0100.0275.75
4.3.90.0130.0175.78
4.3.80.0070.0375.77
4.3.70.0100.0205.82
4.3.60.0130.0275.82
4.3.50.0270.0105.80
4.3.40.0130.0335.75
4.3.30.0130.0204.59
4.3.20.0070.0234.55
4.3.10.0070.0234.52
4.3.00.0100.0236.75

preferences:
46.24 ms | 401 KiB | 5 Q