3v4l.org

run code in 300+ PHP versions simultaneously
<?php $ar = ['a', 'b', 'c', 'd', 'e', 'f']; foreach ($ar as $k => & $v) { echo "$k: $v\n"; if ($v === 'b') array_splice($ar, $k, 1, ['x', 'y']); } echo "\n"; print_r($ar);

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)
8.3.60.0080.00816.25
8.3.50.0120.00621.28
8.3.40.0120.00318.50
8.3.30.0060.00918.54
8.3.20.0120.00320.36
8.3.10.0040.00421.90
8.3.00.0030.00619.43
8.2.180.0090.00616.38
8.2.170.0070.00722.96
8.2.160.0110.00620.38
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0000.00917.35
8.2.110.0060.00319.35
8.2.100.0070.00717.69
8.2.90.0000.00817.63
8.2.80.0040.00417.97
8.2.70.0080.00018.05
8.2.60.0080.00018.09
8.2.50.0080.00018.10
8.2.40.0040.00421.11
8.2.30.0070.00019.76
8.2.20.0050.00217.56
8.2.10.0070.00018.18
8.2.00.0000.00718.04
8.1.280.0150.00625.92
8.1.270.0060.01320.33
8.1.260.0080.00026.35
8.1.250.0030.01028.09
8.1.240.0190.00322.07
8.1.230.0060.00620.94
8.1.220.0030.00617.74
8.1.210.0050.00318.77
8.1.200.0040.00417.48
8.1.190.0030.00717.38
8.1.180.0040.00418.10
8.1.170.0040.00418.57
8.1.160.0110.00022.05
8.1.150.0070.00018.88
8.1.140.0040.00417.44
8.1.130.0070.00017.64
8.1.120.0040.00417.36
8.1.110.0040.00417.35
8.1.100.0040.00417.33
8.1.90.0000.00717.36
8.1.80.0070.00017.29
8.1.70.0000.00717.30
8.1.60.0050.00317.63
8.1.50.0090.00017.55
8.1.40.0030.00617.49
8.1.30.0050.00317.52
8.1.20.0030.00617.71
8.1.10.0040.00417.57
8.1.00.0000.00817.32
8.0.300.0040.00421.55
8.0.290.0000.00716.63
8.0.280.0070.00018.36
8.0.270.0050.00217.21
8.0.260.0060.00017.29
8.0.250.0040.00416.84
8.0.240.0040.00416.90
8.0.230.0070.00016.86
8.0.220.0000.00716.86
8.0.210.0040.00416.89
8.0.200.0000.00616.91
8.0.190.0040.00716.95
8.0.180.0050.00316.88
8.0.170.0060.00316.93
8.0.160.0000.00716.79
8.0.150.0040.00416.84
8.0.140.0000.00716.91
8.0.130.0080.00013.38
8.0.120.0000.00816.77
8.0.110.0000.01016.86
8.0.100.0050.00216.75
8.0.90.0070.00016.89
8.0.80.0140.00416.91
8.0.70.0040.00416.91
8.0.60.0000.00716.75
8.0.50.0000.00716.88
8.0.30.0110.00917.08
8.0.20.0130.00917.40
8.0.10.0070.00017.04
8.0.00.0110.00616.73
7.4.330.0020.00215.08
7.4.320.0040.00416.65
7.4.300.0060.00016.48
7.4.290.0040.00416.51
7.4.280.0050.00316.48
7.4.270.0030.00316.52
7.4.260.0000.00716.50
7.4.250.0070.00016.57
7.4.240.0040.00316.54
7.4.230.0020.00516.34
7.4.220.0070.01116.59
7.4.210.0000.01416.58
7.4.200.0000.00716.70
7.4.160.0130.00416.51
7.4.150.0000.01817.40
7.4.140.0100.00917.86
7.4.130.0080.01016.56
7.4.120.0080.00816.51
7.4.110.0060.01116.64
7.4.100.0070.01116.52
7.4.90.0140.00516.49
7.4.80.0090.00619.39
7.4.70.0130.00316.53
7.4.60.0080.00816.39
7.4.50.0030.00616.39
7.4.40.0030.01516.48
7.4.30.0100.00716.27
7.4.00.0060.00914.84
7.3.330.0000.00713.21
7.3.320.0020.00213.08
7.3.310.0030.00316.26
7.3.300.0000.00616.31
7.3.290.0060.01016.34
7.3.280.0130.00516.33
7.3.270.0190.00517.40
7.3.260.0120.00616.70
7.3.250.0130.00716.42
7.3.240.0080.00816.56
7.3.230.0150.00616.39
7.3.210.0070.01016.50
7.3.200.0130.00316.43
7.3.190.0120.00416.50
7.3.180.0230.01416.61
7.3.170.0080.01516.45
7.3.160.0110.00916.41
7.2.330.0100.00716.62
7.2.320.0100.01016.43
7.2.310.0060.01616.47
7.2.300.0080.00816.54
7.2.290.0080.00716.65
7.2.80.0000.01216.71
7.2.60.0060.00917.00
7.2.00.0070.00319.56
7.1.200.0060.00315.92
7.1.100.0000.01318.13
7.1.70.0050.00516.99
7.1.60.0040.02120.03
7.1.50.0070.01717.00
7.1.00.0100.07022.51
7.0.200.0230.00714.56
7.0.60.0100.08719.90
7.0.50.0030.04017.73
7.0.40.0170.07020.11
7.0.30.0200.04020.20
7.0.20.0170.04020.20
7.0.10.0030.05020.07
7.0.00.0030.09020.07
5.6.280.0030.06320.99
5.6.210.0100.08320.64
5.6.200.0130.07718.23
5.6.190.0030.04320.45
5.6.180.3400.04020.54
5.6.170.0330.04320.48
5.6.160.0030.08320.50
5.6.150.0070.04018.14
5.6.140.0100.03318.21
5.6.130.0030.08318.18
5.6.120.0000.07321.13
5.6.110.0070.08320.98
5.6.100.0000.04320.88
5.6.90.0030.08721.00
5.6.80.0000.04320.39
5.6.70.3230.03020.37
5.5.350.0170.08320.30
5.5.340.0130.04318.08
5.5.330.0070.04020.27
5.5.320.4130.04320.27
5.5.310.0170.05020.23
5.5.300.0030.04018.08
5.5.290.0100.07717.94
5.5.280.0100.07020.73
5.5.270.0000.04720.83
5.5.260.0170.06720.60
5.5.250.0070.04720.68
5.5.240.0130.08720.12
5.4.450.0400.05719.16
5.4.440.0500.06319.47
5.4.430.0370.05719.45
5.4.420.0400.05319.35
5.4.410.0500.04319.21
5.4.400.0600.05019.15
5.4.390.0430.06019.26
5.4.380.0500.05319.28
5.4.370.0500.05319.30
5.4.360.0530.05319.12
5.4.350.0570.06319.06
5.4.340.0370.06019.28
5.4.320.0330.06019.22
5.4.310.0430.05019.29
5.4.300.0530.04718.86
5.4.290.0400.05019.25
5.4.280.0370.05319.29
5.4.270.0500.04018.86
5.4.260.0470.05719.23
5.4.250.0070.05319.12
5.4.240.0030.06019.29
5.4.230.0030.05719.13
5.4.220.0330.05318.86
5.4.210.0230.05019.07
5.4.200.0170.04319.37
5.4.190.0130.04719.14
5.4.180.0330.05319.36
5.4.170.0500.04319.14
5.4.160.0470.04319.25
5.4.150.0330.06019.13
5.4.140.0400.05316.43
5.4.130.0470.07016.40
5.4.120.0500.04716.38
5.4.110.0330.05716.61
5.4.100.0470.04316.62
5.4.90.0270.05716.62
5.4.80.0370.05016.51
5.4.70.0070.04716.17
5.4.60.0300.03016.51
5.4.50.0000.07316.42
5.4.40.0170.04016.43
5.4.30.0270.03316.53
5.4.20.0300.03716.37

preferences:
58.67 ms | 401 KiB | 5 Q