3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array( 'child' => array('hello', 'lol'), ); foreach ($array as &$child) { foreach ($child as &$value) { $value .= ' world'; $value .= 'meh..'; } }

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)
8.3.60.0070.00716.50
8.3.50.0090.00722.99
8.3.40.0140.00018.72
8.3.30.0120.00618.82
8.3.20.0080.00020.35
8.3.10.0000.00823.51
8.3.00.0080.00017.38
8.2.180.0070.00716.50
8.2.170.0100.00722.96
8.2.160.0100.00320.27
8.2.150.0050.00324.18
8.2.140.0050.00224.66
8.2.130.0070.01126.16
8.2.120.0040.00420.90
8.2.110.0060.00621.04
8.2.100.0120.00018.03
8.2.90.0000.00818.03
8.2.80.0060.00317.97
8.2.70.0000.00818.05
8.2.60.0040.00418.22
8.2.50.0090.00018.10
8.2.40.0080.00019.34
8.2.30.0040.00419.21
8.2.20.0080.00017.61
8.2.10.0040.00417.99
8.2.00.0040.00417.61
8.1.280.0100.00325.92
8.1.270.0080.00023.79
8.1.260.0070.00026.35
8.1.250.0000.00728.09
8.1.240.0060.00322.05
8.1.230.0110.00020.89
8.1.220.0080.00017.74
8.1.210.0050.00318.97
8.1.200.0030.00617.35
8.1.190.0050.00317.35
8.1.180.0000.00918.10
8.1.170.0050.00318.65
8.1.160.0040.00418.85
8.1.150.0040.00420.18
8.1.140.0070.00417.49
8.1.130.0030.00317.82
8.1.120.0080.00017.35
8.1.110.0000.00717.43
8.1.100.0040.00317.48
8.1.90.0000.00817.44
8.1.80.0000.00717.33
8.1.70.0030.00317.45
8.1.60.0000.00817.49
8.1.50.0060.00317.35
8.1.40.0030.00617.54
8.1.30.0060.00317.66
8.1.20.0040.00417.61
8.1.10.0040.00417.35
8.1.00.0050.00317.26
8.0.300.0040.00419.60
8.0.290.0000.00716.63
8.0.280.0070.00018.49
8.0.270.0070.00017.29
8.0.260.0030.00317.25
8.0.250.0030.00316.89
8.0.240.0000.00716.90
8.0.230.0000.00716.80
8.0.220.0090.00016.95
8.0.210.0030.00316.88
8.0.200.0070.00017.00
8.0.190.0000.00716.88
8.0.180.0040.00416.88
8.0.170.0060.00316.93
8.0.160.0040.00416.83
8.0.150.0060.00316.66
8.0.140.0000.00916.88
8.0.130.0040.00313.30
8.0.120.0080.00016.75
8.0.110.0050.00216.83
8.0.100.0070.00016.78
8.0.90.0000.00716.86
8.0.80.0060.00916.91
8.0.70.0040.00416.93
8.0.60.0000.00716.88
8.0.50.0060.00316.92
8.0.30.0130.01016.92
8.0.20.0140.00517.40
8.0.10.0030.00316.95
8.0.00.0060.01216.69
7.4.330.0000.00615.00
7.4.320.0030.00316.64
7.4.300.0030.00316.44
7.4.290.0000.00716.54
7.4.280.0030.00516.60
7.4.270.0000.00716.60
7.4.260.0030.00316.38
7.4.250.0000.00716.53
7.4.240.0040.00416.44
7.4.230.0000.00716.61
7.4.220.0100.01516.45
7.4.210.0140.00716.53
7.4.200.0000.00716.68
7.4.160.0090.00616.52
7.4.150.0100.00717.40
7.4.140.0100.00817.86
7.4.130.0110.00716.46
7.4.120.0030.01516.48
7.4.110.0070.01016.28
7.4.100.0140.00316.39
7.4.90.0070.01116.58
7.4.80.0030.01419.39
7.4.70.0130.00316.63
7.4.60.0040.01716.38
7.4.50.0040.00416.48
7.4.40.0030.01316.43
7.4.30.0090.01216.68
7.4.00.0070.01114.97
7.3.330.0050.00213.10
7.3.320.0000.00513.10
7.3.310.0030.00316.32
7.3.300.0030.00316.09
7.3.290.0070.00716.22
7.3.280.0090.00816.26
7.3.270.0100.00717.40
7.3.260.0110.00616.33
7.3.250.0100.00616.57
7.3.240.0180.00016.42
7.3.230.0030.01316.39
7.3.210.0090.00916.46
7.3.200.0080.00919.39
7.3.190.0150.00416.38
7.3.180.0120.00916.43
7.3.170.0120.00416.54
7.3.160.0030.01316.56
7.3.120.0070.01115.04
7.3.110.0070.01114.84
7.3.100.0000.01414.58
7.3.90.0120.00614.78
7.3.80.0060.00614.82
7.3.70.0100.00314.69
7.3.60.0030.00714.62
7.3.50.0070.00714.55
7.3.40.0080.00414.80
7.3.30.0070.00714.82
7.3.20.0030.01116.42
7.3.10.0000.01416.69
7.3.00.0130.00016.43
7.2.330.0190.00016.65
7.2.320.0130.01016.39
7.2.310.0100.00716.36
7.2.300.0070.01016.46
7.2.290.0150.00616.45
7.2.250.0120.00414.89
7.2.240.0120.00614.98
7.2.230.0000.01314.73
7.2.220.0090.00914.97
7.2.210.0060.00614.96
7.2.200.0040.01114.88
7.2.190.0030.00914.89
7.2.180.0030.01015.06
7.2.170.0000.01315.14
7.2.60.0090.00317.06
7.1.330.0090.00615.55
7.1.320.0030.01415.92
7.1.310.0070.00715.80
7.1.300.0060.00915.86
7.1.290.0030.00715.92
7.1.280.0070.00715.65
7.1.270.0080.00515.65
7.1.260.0000.00915.81
7.1.200.0030.01015.67
7.1.70.0070.00716.86
7.1.60.0070.01719.40
7.1.50.0100.01616.93
7.1.00.0030.07722.28
7.0.200.0080.00416.84
7.0.140.0130.06722.10
7.0.60.0130.06719.86
7.0.50.0030.04717.88
7.0.40.0170.08320.36
7.0.30.0270.04720.20
7.0.20.0230.05720.13
7.0.10.0070.04719.99
7.0.00.0030.08320.20
5.6.280.0000.07721.14
5.6.210.0070.07720.62
5.6.200.0100.05018.15
5.6.190.0030.08020.60
5.6.180.0200.04720.63
5.6.170.0230.05020.61
5.6.160.0000.08320.37
5.6.150.0030.04718.17
5.6.140.0070.08018.10
5.6.130.0100.08018.16
5.6.120.0100.04721.01
5.6.110.0070.08020.97
5.6.100.0100.06021.03
5.6.90.0130.06720.96
5.6.80.0200.06320.40
5.5.350.0000.08320.46
5.5.340.0030.05018.02
5.5.330.0000.06020.25
5.5.320.0470.07320.27
5.5.310.0330.07020.26
5.5.300.0000.04017.99
5.5.290.0100.04017.96
5.5.280.0170.06720.76
5.5.270.0030.04020.66
5.5.260.0130.08020.64
5.5.250.0070.05020.68
5.5.240.0270.04020.36
5.4.450.0530.03319.46
5.4.440.0770.04719.21
5.4.430.0270.04019.42
5.4.420.0230.04019.56
5.4.410.0630.04019.13
5.4.400.0200.03719.10
5.4.390.0300.03719.13
5.4.380.0400.05718.61
5.4.370.0430.06018.46
5.4.360.0270.06018.50
5.4.350.1000.05018.50
5.4.340.0400.05318.63
5.4.320.0080.04012.46
5.4.310.0020.04112.45
5.4.300.0040.04112.45
5.4.290.0060.03712.45
5.4.280.0040.03612.35
5.4.270.0110.03112.35
5.4.260.0060.03812.35
5.4.250.0060.04912.35
5.4.240.0060.04012.35
5.4.230.0070.04612.34
5.4.220.0070.03512.34
5.4.210.0040.03612.34
5.4.200.0050.03712.34
5.4.190.0050.04512.34
5.4.180.0040.03712.34
5.4.170.0080.03412.35
5.4.160.0030.03912.34
5.4.150.0030.03812.34
5.4.140.0070.03612.02
5.4.130.0090.03312.02
5.4.120.0050.03611.97
5.4.110.0050.03711.97
5.4.100.0040.03611.97
5.4.90.0100.03111.96
5.4.80.0040.03711.96
5.4.70.0080.03511.96
5.4.60.0060.04011.96
5.4.50.0040.03611.96
5.4.40.0080.04111.95
5.4.30.0060.03911.95
5.4.20.0090.03411.95
5.4.10.0060.03711.95
5.4.00.0040.04211.43
5.3.290.0070.03712.80
5.3.280.0050.03912.71
5.3.270.0070.03812.72
5.3.260.0030.04112.72
5.3.250.0020.04012.72
5.3.240.0100.03212.72
5.3.230.0100.04912.71
5.3.220.0040.03712.68
5.3.210.0050.03912.68
5.3.200.0080.04212.68
5.3.190.0010.04212.68
5.3.180.0040.03812.67
5.3.170.0100.04312.67
5.3.160.0040.03712.67
5.3.150.0040.04812.67
5.3.140.0040.03812.66
5.3.130.0050.04012.66
5.3.120.0040.04012.66
5.3.110.0060.05312.66
5.3.100.0050.03612.12
5.3.90.0050.03612.09
5.3.80.0070.03412.08
5.3.70.0070.03612.07
5.3.60.0050.04012.07
5.3.50.0040.03612.00
5.3.40.0070.04212.00
5.3.30.0040.04511.95
5.3.20.0060.03911.72
5.3.10.0060.03911.69
5.3.00.0080.03811.68
5.2.170.0030.0419.18
5.2.160.0050.0329.18
5.2.150.0030.0319.18
5.2.140.0040.0309.17
5.2.130.0040.0289.14
5.2.120.0070.0349.13
5.2.110.0090.0349.14
5.2.100.0060.0389.13
5.2.90.0040.0359.14
5.2.80.0070.0419.13
5.2.70.0070.0359.13
5.2.60.0060.0289.09
5.2.50.0090.0329.06
5.2.40.0020.0409.04
5.2.30.0050.0289.01
5.2.20.0050.0289.00
5.2.10.0030.0288.92
5.2.00.0060.0268.78
5.1.60.0040.0378.06
5.1.50.0040.0248.05
5.1.40.0040.0238.04
5.1.30.0070.0298.39
5.1.20.0080.0238.41
5.1.10.0040.0268.13
5.1.00.0060.0278.14
5.0.50.0020.0216.61
5.0.40.0040.0286.48
5.0.30.0040.0306.29
5.0.20.0030.0196.26
5.0.10.0020.0206.24
5.0.00.0050.0286.23
4.4.90.0020.0154.77
4.4.80.0060.0174.75
4.4.70.0050.0254.76
4.4.60.0010.0234.76
4.4.50.0030.0144.77
4.4.40.0020.0254.71
4.4.30.0030.0154.75
4.4.20.0020.0164.85
4.4.10.0030.0194.85
4.4.00.0030.0304.76
4.3.110.0050.0184.67
4.3.100.0020.0154.67
4.3.90.0050.0184.63
4.3.80.0030.0244.58
4.3.70.0030.0224.63
4.3.60.0040.0134.63
4.3.50.0040.0144.63
4.3.40.0020.0244.54
4.3.30.0020.0153.29
4.3.20.0000.0243.27
4.3.10.0010.0233.22
4.3.00.0100.01315.98

preferences:
52.09 ms | 401 KiB | 5 Q