3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string='123456w'; $year = substr($string,0,4); $month = substr($string,4,2); echo $month;

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)
8.3.60.0150.00316.50
8.3.50.0100.00717.51
8.3.40.0120.00318.42
8.3.30.0160.00618.47
8.3.20.0120.00418.38
8.3.10.0080.00018.77
8.3.00.0070.00319.38
8.2.180.0120.00316.50
8.2.170.0140.00722.96
8.2.160.0140.00019.01
8.2.150.0110.00424.18
8.2.140.0120.00624.66
8.2.130.0040.00426.16
8.2.120.0070.00021.00
8.2.110.0040.00422.07
8.2.100.0070.00417.78
8.2.90.0050.00319.11
8.2.80.0070.00017.97
8.2.70.0060.00317.25
8.2.60.0080.00017.80
8.2.50.0040.00417.80
8.2.40.0030.00519.48
8.2.30.0030.00617.78
8.2.20.0060.00317.54
8.2.10.0060.00317.80
8.2.00.0080.00017.71
8.1.280.0100.00325.92
8.1.270.0040.00423.99
8.1.260.0180.00026.35
8.1.250.0060.00328.09
8.1.240.0090.00020.68
8.1.230.0040.00720.91
8.1.220.0080.00017.78
8.1.210.0040.00418.77
8.1.200.0030.00617.23
8.1.190.0000.00917.35
8.1.180.0030.00618.10
8.1.170.0030.00517.62
8.1.160.0000.00719.00
8.1.150.0040.00418.48
8.1.140.0000.00817.30
8.1.130.0040.00419.18
8.1.120.0070.00017.36
8.1.110.0040.00317.36
8.1.100.0030.00317.27
8.1.90.0000.00717.38
8.1.80.0050.00217.36
8.1.70.0030.00317.41
8.1.60.0040.00417.33
8.1.50.0000.00817.30
8.1.40.0060.00317.45
8.1.30.0040.00417.62
8.1.20.0000.00717.55
8.1.10.0040.00417.54
8.1.00.0090.00017.48
8.0.300.0050.00318.77
8.0.290.0040.00416.63
8.0.280.0000.00718.51
8.0.270.0070.00017.29
8.0.260.0040.00416.86
8.0.250.0040.00416.93
8.0.240.0040.00416.88
8.0.230.0000.00816.83
8.0.220.0040.00416.68
8.0.210.0030.00316.82
8.0.200.0060.00016.77
8.0.190.0030.00516.90
8.0.180.0000.00816.83
8.0.170.0040.00416.73
8.0.160.0050.00316.90
8.0.150.0000.00816.58
8.0.140.0000.00816.79
8.0.130.0030.00313.30
8.0.120.0000.00816.60
8.0.110.0000.00716.75
8.0.100.0000.00716.77
8.0.90.0000.00716.71
8.0.80.0120.00316.73
8.0.70.0070.00016.65
8.0.60.0030.00516.84
8.0.50.0030.00616.76
8.0.30.0100.01316.91
8.0.20.0070.01216.82
8.0.10.0050.00317.05
8.0.00.0150.00416.59
7.4.330.0000.00513.04
7.4.320.0030.00316.49
7.4.300.0030.00316.51
7.4.290.0030.00416.40
7.4.280.0040.00416.36
7.4.270.0030.00316.53
7.4.260.0050.00213.22
7.4.250.0080.00016.52
7.4.240.0020.00516.41
7.4.230.0030.00616.52
7.4.220.0100.01016.42
7.4.210.0090.00916.58
7.4.200.0030.00616.53
7.4.190.0040.00416.57
7.4.160.0110.00816.51
7.4.150.0130.01316.56
7.4.140.0110.01116.48
7.4.130.0110.00816.43
7.4.120.0030.01416.59
7.4.110.0080.01516.29
7.4.100.0140.00516.45
7.4.90.0070.01416.34
7.4.80.0120.00919.39
7.4.70.0120.00316.15
7.4.60.0030.01316.43
7.4.50.0030.00516.39
7.4.40.0000.01416.50
7.4.30.0130.00316.48
7.4.00.0060.00814.95
7.3.330.0030.00312.95
7.3.320.0060.00013.01
7.3.310.0030.00516.19
7.3.300.0000.00616.07
7.3.290.0070.00716.15
7.3.280.0080.01416.09
7.3.270.0110.00716.22
7.3.260.0140.00316.17
7.3.250.0100.01016.29
7.3.240.0070.01016.41
7.3.230.0040.01416.38
7.3.210.0060.01116.27
7.3.200.0110.01116.19
7.3.190.0090.00916.23
7.3.180.0120.00416.29
7.3.170.0120.00416.25
7.3.160.0070.01016.21
7.3.120.0040.00714.53
7.2.330.0030.01616.25
7.2.320.0160.00716.72
7.2.310.0160.00616.69
7.2.300.0080.00916.45
7.2.290.0030.01416.47
7.2.00.0040.00419.27
7.1.200.0030.00815.49
7.1.100.0030.01017.93
7.1.70.0070.00717.19
7.1.60.0140.01019.30
7.1.50.0270.01034.75
7.1.00.0100.06722.45
7.0.200.0000.00716.86
7.0.140.0000.07721.99
7.0.120.0000.06722.09
7.0.60.0100.07319.90
7.0.50.0070.05017.87
7.0.40.0030.04720.21
7.0.30.0270.05320.02
7.0.20.0300.05720.18
7.0.10.0270.05720.13
7.0.00.0070.08020.20
5.6.280.0100.06721.11
5.6.210.0100.05720.60
5.6.200.0030.05318.19
5.6.190.0070.08720.32
5.6.180.0300.05320.66
5.6.170.0230.03320.52
5.6.160.0100.03720.50
5.6.150.0100.03318.16
5.6.140.0030.04318.22
5.6.130.0100.03318.18
5.6.120.0100.08020.98
5.6.110.0100.08721.03
5.6.100.0130.03321.08
5.6.90.0030.04721.09
5.6.80.0100.06320.40
5.6.70.4230.04020.27
5.5.350.0170.08320.38
5.5.340.0030.08017.98
5.5.330.0130.05020.14
5.5.320.0270.07020.57
5.5.310.0330.05320.27
5.5.300.0130.07317.88
5.5.290.0070.05018.02
5.5.280.0000.09020.76
5.5.270.0030.08320.73
5.5.260.0030.04320.96
5.5.250.0030.05020.68
5.5.240.0030.08020.25
5.4.450.0900.03719.09
5.4.440.0530.05019.39
5.4.430.0300.04319.36
5.4.420.0630.04319.57
5.4.410.0670.04018.99
5.4.400.0700.04018.79
5.4.390.0470.04018.80
5.4.380.0730.03719.06
5.4.370.0530.03719.05
5.4.360.0670.04019.10
5.4.350.0330.05319.05
5.4.340.0800.03719.13
5.4.320.0300.04719.21
5.4.310.0400.04318.89
5.4.300.0600.04018.91
5.4.290.0130.05019.05
5.4.280.0330.04718.81
5.4.270.0600.03718.93
5.4.260.0800.03319.10
5.4.250.0500.03719.09
5.4.240.0530.03019.09
5.4.230.0770.03319.14
5.4.220.0770.03019.24
5.4.210.0700.03319.21
5.4.200.0530.06019.23
5.4.190.0830.04719.05
5.4.180.0600.04719.24
5.4.170.0570.04319.07
5.4.160.0670.04019.14
5.4.150.0930.04019.04
5.4.140.0470.05716.22
5.4.130.0770.05016.26
5.4.120.0600.03016.32
5.4.110.0670.05716.32
5.4.100.0630.05716.38
5.4.90.0830.02716.32
5.4.80.0230.03316.20
5.4.70.0570.03016.30
5.4.60.0470.04016.43
5.4.50.0270.04016.34
5.4.40.0530.04016.43
5.4.30.0830.03016.41
5.4.20.0630.03316.32
5.4.10.0670.04316.03
5.4.00.0500.03315.61
5.3.290.0330.05015.11
5.3.280.0530.03715.11
5.3.270.0400.04715.11
5.3.260.0500.04015.11
5.3.250.0900.03015.11
5.3.240.0430.04315.11
5.3.230.0270.03715.11
5.3.220.0570.05315.09
5.3.210.0570.04315.09
5.3.200.0500.04715.09
5.3.190.0570.05015.09
5.3.180.0630.04015.09
5.3.170.0600.04015.09
5.3.160.0200.04315.09
5.3.150.0400.03315.09
5.3.140.0800.03715.09
5.3.130.0700.03715.09
5.3.120.0330.03315.09
5.3.110.0630.04315.09
5.3.100.0370.03715.09
5.3.90.0400.03015.09
5.3.80.0670.03015.09
5.3.70.0730.03015.09
5.3.60.0530.04315.09
5.3.50.0800.03715.09
5.3.40.0470.03715.08
5.3.30.0370.03715.08
5.3.20.0470.04315.07
5.3.10.0600.04015.07
5.3.00.0400.03715.07
5.2.170.0500.02715.09
5.2.160.0370.03015.09
5.2.150.0370.03315.08
5.2.140.0270.03015.08
5.2.130.0430.03315.07
5.2.120.0370.03015.07
5.2.110.0330.03015.07
5.2.100.0700.02015.07
5.2.90.0430.03015.07
5.2.80.0500.03015.07
5.2.70.0170.04015.07
5.2.60.0500.02315.07
5.2.50.0630.02015.07
5.2.40.0470.02715.07
5.2.30.0330.03315.07
5.2.20.0370.03715.07
5.2.10.0600.03015.07
5.2.00.0400.05015.07
5.1.60.0170.02315.07
5.1.50.0770.02015.07
5.1.40.0300.02715.07
5.1.30.0270.01715.07
5.1.20.0230.03015.07
5.1.10.0170.02715.07
5.1.00.0500.02715.07
5.0.50.0330.01315.07
5.0.40.0170.02315.07
5.0.30.0230.03015.07
5.0.20.0270.01715.06
5.0.10.0000.02015.06
5.0.00.0170.03015.06
4.4.90.0070.02015.07
4.4.80.0170.01315.07
4.4.70.0200.01315.07
4.4.60.0130.01315.07
4.4.50.0170.01315.07
4.4.40.0030.02715.07
4.4.30.0000.01715.07
4.4.20.0100.01715.07
4.4.10.0130.01315.07
4.4.00.0270.02315.07
4.3.110.0170.01715.07
4.3.100.0100.01015.07
4.3.90.0100.01715.06
4.3.80.0270.02015.06
4.3.70.0170.01715.06
4.3.60.0130.01315.06
4.3.50.0030.01715.06
4.3.40.0100.03015.06
4.3.30.0000.01715.06
4.3.20.0030.02015.06
4.3.10.0100.01715.06
4.3.00.0070.01715.06

preferences:
48.73 ms | 401 KiB | 5 Q