3v4l.org

run code in 300+ PHP versions simultaneously
<?php $allowed = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'; $input = 'abc-def'; $validLen = strspn($input, $allowed); if (strlen($input) !== $validLen) { printf('Input invalid, starting at %s', substr($input, $validLen)); } else { echo 'Input is valid'; }

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)
8.5.10.0100.00920.15
8.5.00.0110.00919.80
8.4.150.0020.00014.05
8.4.140.0110.00917.25
8.4.130.0070.00217.79
8.4.120.0140.00722.26
8.4.110.0060.00322.56
8.4.100.0130.00417.48
8.4.90.0150.00620.63
8.4.80.0120.00818.82
8.4.70.0090.01017.72
8.4.60.0100.00618.60
8.4.50.0090.00722.71
8.4.40.0140.00717.66
8.4.30.0060.00317.80
8.4.20.0100.01017.36
8.4.10.0070.00317.24
8.3.280.0100.01018.20
8.3.270.0160.00816.49
8.3.260.0120.00716.49
8.3.250.0070.01218.93
8.3.240.0120.00717.29
8.3.230.0130.00616.39
8.3.220.0140.00418.71
8.3.210.0110.00416.58
8.3.200.0070.00216.44
8.3.190.0120.00518.91
8.3.180.0140.00616.63
8.3.170.0120.00617.13
8.3.160.0070.01016.57
8.3.150.0120.00318.98
8.3.140.0090.00916.56
8.3.130.0040.00418.19
8.3.120.0090.00020.86
8.3.110.0110.00020.94
8.3.100.0060.00324.06
8.3.90.0000.00826.77
8.3.80.0000.00916.75
8.3.70.0120.00916.58
8.3.60.0110.00716.71
8.3.50.0040.01422.04
8.3.40.0100.00718.63
8.3.30.0070.00718.77
8.3.20.0040.00420.31
8.3.10.0030.00620.58
8.3.00.0050.00320.37
8.2.290.0090.00920.45
8.2.280.0110.00618.53
8.2.270.0090.00916.50
8.2.260.0070.00720.77
8.2.250.0030.00716.57
8.2.240.0120.00616.93
8.2.230.0030.00622.58
8.2.220.0030.00637.54
8.2.210.0090.00626.77
8.2.200.0070.00416.50
8.2.190.0140.00016.58
8.2.180.0070.00725.92
8.2.170.0150.00318.91
8.2.160.0130.00322.96
8.2.150.0040.00425.66
8.2.140.0080.00024.66
8.2.130.0000.00819.23
8.2.120.0080.00026.35
8.2.110.0060.00320.52
8.2.100.0060.00617.72
8.2.90.0070.00317.63
8.2.80.0050.00317.97
8.2.70.0000.00817.93
8.2.60.0030.00618.09
8.2.50.0060.00318.10
8.2.40.0000.00819.34
8.2.30.0050.00320.70
8.2.20.0040.00417.50
8.2.10.0030.00619.74
8.2.00.0000.00717.94
8.1.330.0030.00522.06
8.1.320.0090.01015.92
8.1.310.0100.00716.46
8.1.300.0030.00617.67
8.1.290.0090.00018.88
8.1.280.0060.01225.92
8.1.270.0070.00721.99
8.1.260.0030.00528.09
8.1.250.0000.00828.09
8.1.240.0030.00718.90
8.1.230.0060.00617.71
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0000.00917.23
8.1.190.0040.00417.23
8.1.180.0050.00218.10
8.1.170.0040.00418.61
8.1.160.0040.00418.77
8.1.150.0040.00418.83
8.1.140.0030.00519.52
8.1.130.0040.00417.55
8.1.120.0040.00417.25
8.1.110.0040.00417.38
8.1.100.0040.00417.44
8.1.90.0000.00717.30
8.1.80.0000.00717.44
8.1.70.0000.00717.38
8.1.60.0030.00617.54
8.1.50.0040.00417.45
8.1.40.0050.00317.30
8.1.30.0000.00817.51
8.1.20.0030.00517.42
8.1.10.0000.00817.43
8.1.00.0060.00317.48
8.0.300.0040.00418.77
8.0.290.0070.00016.75
8.0.280.0000.00718.39
8.0.270.0000.00717.08
8.0.260.0000.00617.23
8.0.250.0000.00716.96
8.0.240.0000.00616.79
8.0.230.0000.00716.83
8.0.220.0030.00316.82
8.0.210.0070.00016.73
8.0.200.0030.00316.86
8.0.190.0000.00816.90
8.0.180.0040.00416.76
8.0.170.0080.00016.74
8.0.160.0000.00816.88
8.0.150.0070.00016.82
8.0.140.0030.00316.76
8.0.130.0050.00013.30
8.0.120.0050.00316.81
8.0.110.0040.00416.82
8.0.100.0050.00216.70
8.0.90.0000.00716.80
8.0.80.0100.00716.84
8.0.70.0040.00416.70
8.0.60.0050.00216.71
8.0.50.0000.00716.70
8.0.30.0070.00917.10
8.0.20.0150.00617.40
8.0.10.0000.00716.85
8.0.00.0080.01016.70
7.4.330.0060.00016.69
7.4.320.0000.00716.61
7.4.300.0000.00616.52
7.4.290.0070.00016.41
7.4.280.0050.00316.55
7.4.270.0000.00616.64
7.4.260.0030.00316.45
7.4.250.0070.00016.40
7.4.240.0030.00316.59
7.4.230.0070.00016.61
7.4.220.0160.00316.53
7.4.210.0060.00916.41
7.4.200.0030.00316.32
7.4.160.0070.01116.50
7.4.150.0060.01117.40
7.4.140.0130.00517.86
7.4.130.0120.00716.44
7.4.120.0130.00716.44
7.4.110.0120.00416.52
7.4.100.0080.00916.45
7.4.90.0040.01316.55
7.4.80.0090.00619.39
7.4.70.0060.00916.61
7.4.60.0130.00316.44
7.4.50.0000.01616.39
7.4.40.0060.00916.41
7.4.30.0060.01016.57
7.4.00.0040.00414.82
7.3.330.0000.00513.13
7.3.320.0000.00513.14
7.3.310.0070.00016.34
7.3.300.0030.00316.19
7.3.290.0050.01016.18
7.3.280.0080.00916.17
7.3.270.0060.01217.40
7.3.260.0090.00916.18
7.3.250.0090.01016.27
7.3.240.0070.01316.30
7.3.230.0090.00916.45
7.3.210.0090.00616.30
7.3.200.0060.00916.18
7.3.190.0040.01116.16
7.3.180.0110.00616.39
7.3.170.0050.01416.31
7.3.160.0100.00716.30
7.3.10.0090.00316.27
7.3.00.0090.00916.04
7.2.330.0060.01216.53
7.2.320.0100.01316.61
7.2.310.0060.01216.46
7.2.300.0090.00916.62
7.2.290.0080.00816.36
7.2.130.0220.00316.19
7.2.120.0100.01015.98
7.2.110.0080.00816.24
7.2.100.0130.00816.34
7.2.90.0050.01616.17
7.2.80.0110.00816.71
7.2.70.0130.00516.15
7.2.60.0050.00816.53
7.2.50.0120.00316.26
7.2.40.0100.01516.21
7.2.30.0150.00616.24
7.2.20.0130.00715.89
7.2.10.0090.00915.90
7.2.00.0070.00817.90
7.1.250.0080.00815.17
7.1.200.0120.00015.97
7.1.100.0140.00516.34
7.1.70.0060.00617.13
7.1.60.0060.01919.19
7.1.00.0100.06322.54
7.0.200.0150.00316.89
7.0.60.0270.07019.91
7.0.50.0070.07017.86
7.0.40.0070.04020.20
7.0.30.0430.07320.28
7.0.20.0230.06320.09
7.0.10.0070.08020.16
7.0.00.0030.08720.04
5.6.280.0000.07721.04
5.6.210.0030.04020.60
5.6.200.0070.04018.19
5.6.190.0070.04320.43
5.6.180.0270.03720.45
5.6.170.0300.07320.33
5.6.160.0070.07720.48
5.6.150.0070.07318.22
5.6.140.0130.06718.16
5.6.130.0100.08318.18
5.6.120.0300.05020.99
5.6.110.0030.08721.00
5.6.100.0070.08320.89
5.6.90.0070.05021.10
5.6.80.0070.07720.26
5.5.350.4370.03020.43
5.5.340.0070.04017.93
5.5.330.0100.07320.28
5.5.320.0230.06320.21
5.5.310.0170.09020.29
5.5.300.0030.05017.99
5.5.290.0100.08018.01
5.5.280.0030.06020.80
5.5.270.0070.07320.79
5.5.260.0070.03720.76
5.5.250.0070.04020.70
5.5.240.0230.06720.24

preferences:
192.38 ms | 403 KiB | 5 Q