3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array(1,2,3); $ref = &$array[1]; $copy = $array; $copy[0] = 'a'; $copy[1] = 'b'; $copy[2] = 'c'; foreach( $array as $v ) { print "${v}\n"; }

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)
8.3.60.0140.00718.81
8.3.50.0150.00422.05
8.3.40.0080.00818.88
8.3.30.0120.00420.35
8.3.20.0060.00320.34
8.3.10.0040.00422.15
8.3.00.0080.00022.39
8.2.180.0090.00616.63
8.2.170.0040.01522.96
8.2.160.0130.00022.25
8.2.150.0030.00524.18
8.2.140.0080.00024.66
8.2.130.0070.00026.16
8.2.120.0040.00419.53
8.2.110.0000.00922.13
8.2.100.0040.00717.91
8.2.90.0040.00419.17
8.2.80.0040.00419.32
8.2.70.0030.00617.63
8.2.60.0060.00318.16
8.2.50.0040.00418.07
8.2.40.0000.00818.34
8.2.30.0050.00518.12
8.2.20.0000.00817.66
8.2.10.0070.00017.79
8.2.00.0070.00317.81
8.1.280.0150.00325.92
8.1.270.0050.00224.66
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0070.00323.98
8.1.230.0110.00019.15
8.1.220.0050.00317.79
8.1.210.0040.00418.77
8.1.200.0030.00617.47
8.1.190.0040.00417.61
8.1.180.0040.00419.01
8.1.170.0000.00918.65
8.1.160.0000.00722.15
8.1.150.0070.00018.63
8.1.140.0040.00417.43
8.1.130.0030.00317.74
8.1.120.0070.00017.36
8.1.110.0070.00017.50
8.1.100.0000.00817.48
8.1.90.0000.00717.33
8.1.80.0000.00817.39
8.1.70.0030.00317.39
8.1.60.0050.00317.64
8.1.50.0000.00717.38
8.1.40.0040.00417.45
8.1.30.0080.00017.59
8.1.20.0000.00917.58
8.1.10.0000.00717.47
8.1.00.0000.00817.50
8.0.300.0000.00718.77
8.0.290.0020.00517.05
8.0.280.0030.00318.45
8.0.270.0030.00317.25
8.0.260.0000.00716.82
8.0.250.0070.00016.94
8.0.240.0040.00416.86
8.0.230.0000.00717.01
8.0.220.0030.00316.91
8.0.210.0000.00716.88
8.0.200.0060.00016.79
8.0.190.0030.00316.96
8.0.180.0030.00316.81
8.0.170.0040.00416.86
8.0.160.0030.00516.88
8.0.150.0000.00716.85
8.0.140.0050.00216.82
8.0.130.0000.00613.41
8.0.120.0000.00716.79
8.0.110.0000.00716.78
8.0.100.0000.00716.91
8.0.90.0040.00416.87
8.0.80.0130.00316.99
8.0.70.0000.00716.92
8.0.60.0040.00416.83
8.0.50.0000.00816.87
8.0.30.0080.01117.13
8.0.20.0080.01217.40
8.0.10.0070.00016.81
8.0.00.0090.00916.85
7.4.330.0000.00715.00
7.4.320.0030.00316.61
7.4.300.0020.00516.59
7.4.290.0000.00716.41
7.4.280.0040.00416.64
7.4.270.0030.00316.62
7.4.260.0030.00316.39
7.4.250.0040.00416.56
7.4.240.0030.00516.58
7.4.230.0030.00316.62
7.4.220.0140.00316.46
7.4.210.0100.00716.56
7.4.200.0000.00716.50
7.4.190.0030.00416.32
7.4.160.0090.00916.61
7.4.150.0060.01217.40
7.4.140.0120.00617.86
7.4.130.0110.00616.57
7.4.120.0120.00716.51
7.4.110.0030.01416.55
7.4.100.0170.00416.32
7.4.90.0170.00716.56
7.4.80.0060.01919.39
7.4.70.0100.00716.54
7.4.60.0140.00516.46
7.4.50.0060.00316.30
7.4.40.0070.00722.77
7.4.30.0120.00416.57
7.4.00.0140.00015.05
7.3.330.0060.00013.32
7.3.320.0000.00613.24
7.3.310.0030.00316.36
7.3.300.0030.00316.24
7.3.290.0110.00416.31
7.3.280.0090.00916.30
7.3.270.0030.01317.40
7.3.260.0030.01416.28
7.3.250.0080.01216.57
7.3.240.0100.01216.30
7.3.230.0080.00816.57
7.3.210.0070.01516.47
7.3.200.0130.00319.39
7.3.190.0070.01316.44
7.3.180.0130.01016.24
7.3.170.0090.00616.31
7.3.160.0100.00616.61
7.3.120.0030.01414.91
7.2.330.0070.01016.54
7.2.320.0180.00416.47
7.2.310.0070.01016.78
7.2.300.0070.01016.56
7.2.290.0060.01016.55
7.2.60.0040.01116.70
7.2.00.0040.00819.62
7.1.200.0130.00015.92
7.1.100.0120.00617.93
7.1.70.0000.00817.02
7.1.60.0070.01719.43
7.1.50.0030.00916.95
7.1.00.0030.03322.46
7.0.200.0030.00616.39
7.0.140.0030.07022.07
7.0.60.0030.09020.02
7.0.50.0030.04317.77
7.0.40.0100.07720.20
7.0.30.0330.07020.00
7.0.20.0270.07320.30
7.0.10.0030.04320.13
7.0.00.0070.05720.09
5.6.280.0170.06021.07
5.6.210.0100.07720.47
5.6.200.0030.04018.16
5.6.190.0030.08020.57
5.6.180.0270.04020.43
5.6.170.0230.04320.71
5.6.160.0070.03720.71
5.6.150.0000.06018.21
5.6.140.0100.03718.08
5.6.130.0070.08018.16
5.6.120.0030.04020.93
5.6.110.0100.08321.08
5.6.100.0170.07021.00
5.6.90.0200.08021.01
5.6.80.0100.07320.44
5.5.350.0030.06320.32
5.5.340.0130.06717.91
5.5.330.0100.08020.19
5.5.320.0430.07020.29
5.5.310.0270.08020.20
5.5.300.0100.07717.94
5.5.290.0070.04017.98
5.5.280.0170.06720.76
5.5.270.0070.04020.97
5.5.260.0070.08320.93
5.5.250.0170.04320.77
5.5.240.0200.02320.27
5.4.450.0470.04319.10
5.4.440.0070.04719.46
5.4.430.0500.04019.54
5.4.420.0430.04019.26
5.4.410.0470.03719.28
5.4.400.0600.03318.94
5.4.390.0900.04319.08
5.4.380.0530.06018.53
5.4.370.0370.04018.68
5.4.360.0400.05018.64
5.4.350.0200.05018.46
5.4.340.0370.05718.59
5.4.320.0080.03412.46
5.4.310.0100.05012.45
5.4.300.0090.04912.46
5.4.290.0110.04812.45
5.4.280.0090.03512.35
5.4.270.0050.03712.35
5.4.260.0040.04112.35
5.4.250.0080.03612.35
5.4.240.0030.07718.92
5.4.230.0130.05018.89
5.4.220.0030.05719.02
5.4.210.0100.05018.72
5.4.200.0070.05018.72
5.4.190.0100.05318.88
5.4.180.0170.05718.72
5.4.170.0100.05318.91
5.4.160.0000.07718.83
5.4.150.0030.08719.00
5.4.140.0170.04716.26
5.4.130.0070.04716.25
5.4.120.0070.07016.48
5.4.110.0030.07316.41
5.4.100.0030.07016.48
5.4.90.0030.07016.44
5.4.80.0130.06316.37
5.4.70.0100.04716.43
5.4.60.0100.04716.19
5.4.50.0000.05716.41
5.4.40.0000.06016.38
5.4.30.0100.06316.27
5.4.20.0030.06016.54
5.4.10.0070.05016.36
5.4.00.0030.04715.99
5.3.290.0070.04112.80
5.3.280.0070.06314.64
5.3.270.0030.06014.65
5.3.260.0070.06714.60
5.3.250.0130.04714.52
5.3.240.0130.04314.60
5.3.230.0100.07014.60
5.3.220.0100.05014.57
5.3.210.0100.05314.66
5.3.200.0170.04014.58
5.3.190.0030.05014.45
5.3.180.0130.04314.57
5.3.170.0000.05714.61
5.3.160.0070.05714.58
5.3.150.0030.05014.48
5.3.140.0070.07714.33
5.3.130.0030.05314.55
5.3.120.0030.08014.56
5.3.110.0030.06714.39
5.3.100.0070.07314.08
5.3.90.0200.03713.89
5.3.80.0070.04713.87
5.3.70.0070.06714.11
5.3.60.0030.05013.86
5.3.50.0130.04013.86
5.3.40.0100.04713.96
5.3.30.0100.04713.92
5.3.20.0130.05713.39
5.3.10.0170.05713.65
5.3.00.0000.06313.66
5.2.170.0070.04311.04
5.2.160.0030.05311.07
5.2.150.0000.04311.14
5.2.140.0030.04711.05
5.2.130.0100.04711.09
5.2.120.0030.05011.11
5.2.110.0000.04310.93
5.2.100.0030.03711.03
5.2.90.0000.04310.98
5.2.80.0030.04710.84
5.2.70.0100.03311.02
5.2.60.0070.03710.98
5.2.50.0030.04311.03
5.2.40.0030.04010.89
5.2.30.0100.04010.89
5.2.20.0030.04010.87
5.2.10.0030.05310.93
5.2.00.0100.04310.68
5.1.60.0000.03710.22
5.1.50.0030.03310.05
5.1.40.0100.0279.97
5.1.30.0030.04010.39
5.1.20.0070.03310.43
5.1.10.0130.03310.06
5.1.00.0000.04010.01
5.0.50.0070.0338.60
5.0.40.0100.0178.23
5.0.30.0030.0508.19
5.0.20.0000.0338.28
5.0.10.0030.0278.23
5.0.00.0030.0408.07
4.4.90.0000.0236.59
4.4.80.0030.0206.59
4.4.70.0000.0236.59
4.4.60.0070.0176.59
4.4.50.0000.0236.59
4.4.40.0070.0406.59
4.4.30.0000.0306.59
4.4.20.0000.0236.59
4.4.10.0030.0206.59
4.4.00.0000.0336.59
4.3.110.0030.0276.59
4.3.100.0000.0206.59
4.3.90.0000.0206.59
4.3.80.0030.0306.59
4.3.70.0000.0306.59
4.3.60.0000.0206.59
4.3.50.0000.0236.59
4.3.40.0000.0376.59
4.3.30.0000.0236.59
4.3.20.0030.0276.59
4.3.10.0070.0176.59
4.3.00.0130.02014.48

preferences:
35.29 ms | 401 KiB | 5 Q