3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(); $a[0][0] = "a"; $a[0][1] = "b"; $a[1][0] = "y"; $a[1][1] = "z"; foreach ($a as $v1) { foreach ($v1 as $v2) { echo "$v2\n"; echo "$a\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)
8.3.60.0110.01116.63
8.3.50.0140.00522.09
8.3.40.0070.00718.86
8.3.30.0070.00719.14
8.3.20.0070.00020.26
8.3.10.0040.00421.90
8.3.00.0050.00319.38
8.2.180.0040.01225.92
8.2.170.0150.00619.02
8.2.160.0070.00722.96
8.2.150.0030.00524.18
8.2.140.0090.00024.66
8.2.130.0040.00426.16
8.2.120.0000.00819.48
8.2.110.0060.00322.16
8.2.100.0090.00319.39
8.2.90.0000.00819.36
8.2.80.0030.00617.97
8.2.70.0060.00317.75
8.2.60.0000.00817.93
8.2.50.0040.00418.07
8.2.40.0000.00820.00
8.2.30.0070.00018.12
8.2.20.0000.00717.79
8.2.10.0040.00418.13
8.2.00.0000.00817.79
8.1.280.0070.01025.92
8.1.270.0060.00319.04
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00620.43
8.1.230.0000.01117.66
8.1.220.0000.00917.74
8.1.210.0040.00418.77
8.1.200.0000.00817.48
8.1.190.0000.00717.35
8.1.180.0060.00318.10
8.1.170.0060.00320.42
8.1.160.0070.00021.88
8.1.150.0020.00518.93
8.1.140.0070.00017.40
8.1.130.0000.00717.86
8.1.120.0070.00317.47
8.1.110.0000.00817.46
8.1.100.0070.00017.44
8.1.90.0050.00317.44
8.1.80.0040.00417.43
8.1.70.0060.00017.46
8.1.60.0040.00417.46
8.1.50.0030.00617.47
8.1.40.0040.00417.39
8.1.30.0000.00917.59
8.1.20.0000.00717.68
8.1.10.0000.01117.44
8.1.00.0000.00817.54
8.0.300.0000.00718.77
8.0.290.0000.00816.88
8.0.280.0000.00718.31
8.0.270.0000.00717.18
8.0.260.0030.00318.44
8.0.250.0020.00516.98
8.0.240.0080.00416.91
8.0.230.0000.00716.97
8.0.220.0070.00016.93
8.0.210.0070.00016.88
8.0.200.0060.00017.01
8.0.190.0040.00417.00
8.0.180.0000.00716.91
8.0.170.0000.00816.97
8.0.160.0080.00016.97
8.0.150.0070.00016.96
8.0.140.0040.00416.90
8.0.130.0000.00813.39
8.0.120.0060.00316.81
8.0.110.0000.00816.92
8.0.100.0000.00716.92
8.0.90.0070.00016.83
8.0.80.0070.01017.00
8.0.70.0040.00416.96
8.0.60.0000.00816.77
8.0.50.0030.00316.94
8.0.30.0120.00816.98
8.0.20.0150.00417.40
8.0.10.0000.00716.95
8.0.00.0060.01216.78
7.4.330.0030.00315.03
7.4.320.0040.00416.61
7.4.300.0030.00316.56
7.4.290.0030.00316.42
7.4.280.0000.00816.57
7.4.270.0040.00316.45
7.4.260.0070.00016.40
7.4.250.0050.00216.45
7.4.240.0020.00516.51
7.4.230.0000.00716.57
7.4.220.0060.01216.45
7.4.210.0100.01016.69
7.4.200.0000.00716.48
7.4.160.0100.00616.47
7.4.150.0080.01117.40
7.4.140.0090.00817.86
7.4.130.0100.00916.48
7.4.120.0090.00816.64
7.4.110.0180.00616.70
7.4.100.0070.01716.46
7.4.90.0110.00716.45
7.4.80.0090.00919.39
7.4.70.0110.00716.76
7.4.60.0070.01416.42
7.4.50.0050.00016.48
7.4.40.0090.01416.52
7.4.30.0060.01616.55
7.4.00.0060.00914.60
7.3.330.0050.00313.17
7.3.320.0100.00313.12
7.3.310.0000.00816.38
7.3.300.0030.00316.24
7.3.290.0070.00816.37
7.3.280.0120.00416.40
7.3.270.0140.00317.40
7.3.260.0100.00716.64
7.3.250.0130.00616.46
7.3.240.0120.00416.48
7.3.230.0060.01316.41
7.3.210.0130.00316.62
7.3.200.0000.02219.39
7.3.190.0070.01016.58
7.3.180.0070.01016.34
7.3.170.0120.00416.30
7.3.160.0060.01016.43
7.2.330.0060.01116.36
7.2.320.0000.01716.80
7.2.310.0030.01416.58
7.2.300.0030.01316.77
7.2.290.0100.01316.63
7.2.00.0030.01319.15
7.1.200.0070.00315.76
7.1.100.0000.01418.23
7.1.70.0000.00917.33
7.1.60.0040.00717.26
7.1.50.0070.01316.87
7.1.00.0130.06722.51
7.0.200.0060.00616.72
7.0.140.0030.07022.07
7.0.60.0100.07719.85
7.0.50.0000.04717.71
7.0.40.0070.07020.06
7.0.30.0230.04320.17
7.0.20.0170.05020.20
7.0.10.0330.05320.17
7.0.00.0000.10020.09
5.6.280.0100.06721.10
5.6.210.0100.07020.62
5.6.200.0070.06718.18
5.6.190.0100.06720.66
5.6.180.0330.06720.34
5.6.170.0300.05720.48
5.6.160.0070.04020.41
5.6.150.0000.04318.22
5.6.140.0030.05018.07
5.6.130.0000.06018.20
5.6.120.0000.07721.13
5.6.110.0000.04721.01
5.6.100.0030.05020.98
5.6.90.0030.04321.12
5.6.80.0100.04020.35
5.5.350.0300.05320.44
5.5.340.0100.03317.97
5.5.330.0130.08320.42
5.5.320.0070.08320.37
5.5.310.0230.07720.50
5.5.300.0070.07318.02
5.5.290.0070.03717.91
5.5.280.0130.07720.93
5.5.270.0070.04320.83
5.5.260.0070.05320.84
5.5.250.0130.07720.54
5.5.240.0100.06720.07
5.4.450.0800.04319.32
5.4.440.0730.06019.59
5.4.430.0430.04719.41
5.4.420.0830.04719.41
5.4.410.0070.06718.70
5.4.400.0370.06018.69
5.4.390.0500.05318.46
5.4.380.0200.06318.58
5.4.370.0430.08018.68
5.4.360.0330.06018.61
5.4.350.0630.06318.77
5.4.340.0600.04718.71
5.4.320.0300.06318.50
5.4.310.0470.04718.58
5.4.300.0300.05318.63
5.4.290.0370.05318.52
5.4.280.0400.05718.52
5.4.270.0330.05318.73
5.4.260.0330.06318.58
5.4.250.0400.07018.62
5.4.240.0270.05718.58
5.4.230.0400.06718.66
5.4.220.0500.07318.72
5.4.210.0530.07318.64
5.4.200.0330.06016.52
5.4.190.0570.05018.59
5.4.180.0300.05318.67
5.4.170.0500.05318.57
5.4.160.0430.05318.63
5.4.150.0470.05718.60
5.4.140.0470.07016.23
5.4.130.0700.05716.07
5.4.120.0500.06316.16
5.4.110.0330.07316.05
5.4.100.0400.06016.13
5.4.90.0370.07316.31
5.4.80.0330.05716.33
5.4.70.0530.06316.32
5.4.60.0430.07316.32
5.4.50.0430.06716.28
5.4.40.0300.05716.27
5.4.30.0400.05316.13
5.4.20.0400.07316.33
5.4.10.0400.06716.31
5.4.00.0370.06315.76
5.3.290.0300.06014.65
5.3.280.0430.05314.59
5.3.270.0430.07314.60
5.3.260.0570.06714.58
5.3.250.0330.07014.65
5.3.240.0430.07314.55
5.3.230.0400.05714.57
5.3.220.0470.05314.57
5.3.210.0400.06014.55
5.3.200.0530.06714.51
5.3.190.0470.05314.48
5.3.180.0330.06314.45
5.3.170.0330.05714.61
5.3.160.0370.06014.65
5.3.150.0570.06014.56
5.3.140.0370.05714.55
5.3.130.0300.06314.57
5.3.120.0270.06014.54
5.3.110.0430.07714.48
5.3.100.0430.07714.07
5.3.90.0400.06314.11
5.3.80.0470.06313.96
5.3.70.0400.06313.95
5.3.60.0500.06013.99
5.3.50.0530.03713.86
5.3.40.0400.04313.93
5.3.30.0370.05314.00
5.3.20.0370.05713.62
5.3.10.0200.05713.64
5.3.00.0270.05713.55
5.2.170.0330.06311.11
5.2.160.0270.05311.18
5.2.150.0500.04011.05
5.2.140.0300.06011.09
5.2.130.0400.04311.25
5.2.120.0230.05311.05
5.2.110.0230.05311.15
5.2.100.0230.04311.14
5.2.90.0230.05011.11
5.2.80.0370.03311.15
5.2.70.0400.05711.10
5.2.60.0370.05311.08
5.2.50.0430.05310.96
5.2.40.0370.05010.91
5.2.30.0200.05010.89
5.2.20.0370.03710.93
5.2.10.0270.04710.92
5.2.00.0130.06310.83
5.1.60.0230.0409.97
5.1.50.0100.04710.13
5.1.40.0200.0439.93
5.1.30.0400.02710.29
5.1.20.0170.04010.36
5.1.10.0300.04710.05
5.1.00.0270.05310.04
5.0.50.0270.0338.66
5.0.40.0030.0378.38
5.0.30.0200.0538.29
5.0.20.0230.0438.39
5.0.10.0130.0408.20
5.0.00.0130.0478.18
4.4.90.0070.0275.94
4.4.80.0200.0305.90
4.4.70.0200.0275.89
4.4.60.0100.0275.93
4.4.50.0230.0275.90
4.4.40.0100.0405.91
4.4.30.0100.0235.85
4.4.20.0100.0275.92
4.4.10.0100.0235.88
4.4.00.0030.0475.92
4.3.110.0170.0275.84
4.3.100.0200.0235.84
4.3.90.0170.0205.79
4.3.80.0300.0335.80
4.3.70.0200.0275.82
4.3.60.0100.0305.86
4.3.50.0130.0305.83
4.3.40.0170.0375.73
4.3.30.0030.0334.61
4.3.20.0130.0274.61
4.3.10.0070.0234.61
4.3.00.0000.0236.71

preferences:
56.24 ms | 401 KiB | 5 Q