3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str1 = 'football'; $str2 = 'footboll'; echo strspn($str1, $str2); ?>

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)
8.3.40.0170.00318.67
8.3.30.0100.00318.93
8.3.20.0080.00020.16
8.3.10.0000.00823.74
8.3.00.0080.00020.77
8.2.170.0070.00722.96
8.2.160.0130.00320.48
8.2.150.0080.00024.18
8.2.140.0090.00024.66
8.2.130.0070.00026.16
8.2.120.0040.00420.73
8.2.110.0030.00719.21
8.2.100.0040.00817.78
8.2.90.0030.00519.09
8.2.80.0080.00017.97
8.2.70.0040.00417.50
8.2.60.0040.00417.92
8.2.50.0000.00918.07
8.2.40.0050.00321.04
8.2.30.0070.00018.11
8.2.20.0000.01017.72
8.2.10.0040.00417.86
8.2.00.0000.00717.52
8.1.270.0080.00023.97
8.1.260.0080.00026.35
8.1.250.0000.00828.09
8.1.240.0030.00621.37
8.1.230.0070.00417.42
8.1.220.0060.00317.78
8.1.210.0030.00518.77
8.1.200.0060.00317.23
8.1.190.0030.00617.10
8.1.180.0000.00818.10
8.1.170.0030.00518.59
8.1.160.0040.00421.94
8.1.150.0040.00418.62
8.1.140.0040.00417.28
8.1.130.0000.00817.27
8.1.120.0000.00717.38
8.1.110.0040.00417.28
8.1.100.0040.00417.44
8.1.90.0000.00717.43
8.1.80.0050.00217.38
8.1.70.0000.00717.35
8.1.60.0040.00417.42
8.1.50.0000.00717.46
8.1.40.0040.00417.47
8.1.30.0040.00417.63
8.1.20.0070.00017.50
8.1.10.0060.00317.51
8.1.00.0000.00817.45
8.0.300.0040.00418.77
8.0.290.0040.00416.63
8.0.280.0070.00018.43
8.0.270.0000.00717.14
8.0.260.0030.00318.53
8.0.250.0030.00316.91
8.0.240.0040.00416.98
8.0.230.0050.00316.88
8.0.220.0000.00716.72
8.0.210.0080.00016.80
8.0.200.0030.00316.80
8.0.190.0030.00316.87
8.0.180.0000.00816.90
8.0.170.0030.00616.78
8.0.160.0070.00016.87
8.0.150.0040.00416.60
8.0.140.0040.00416.83
8.0.130.0050.00013.20
8.0.120.0000.00916.61
8.0.110.0040.00416.81
8.0.100.0070.00016.72
8.0.90.0040.00416.68
8.0.80.0090.00616.80
8.0.70.0050.00316.88
8.0.60.0000.00716.84
8.0.50.0000.00716.80
8.0.30.0090.00917.04
8.0.20.0100.00717.40
8.0.10.0070.00016.82
8.0.00.0140.01016.72
7.4.330.0030.00315.00
7.4.320.0030.00316.53
7.4.300.0040.00416.43
7.4.290.0030.00316.54
7.4.280.0060.00816.47
7.4.270.0030.00316.43
7.4.260.0040.00416.53
7.4.250.0000.00716.29
7.4.240.0040.00416.54
7.4.230.0000.00716.59
7.4.220.0100.01716.59
7.4.210.0120.00816.44
7.4.200.0030.00316.52
7.4.190.0000.00716.57
7.4.160.0130.01016.40
7.4.150.0110.00617.40
7.4.140.0080.01017.86
7.4.130.0070.00916.55
7.4.120.0130.00316.52
7.4.110.0090.01216.32
7.4.100.0070.01016.50
7.4.90.0070.01016.30
7.4.80.0120.00919.39
7.4.70.0080.00816.41
7.4.60.0070.01016.44
7.4.50.0000.00816.30
7.4.40.0060.00916.25
7.4.30.0130.00316.15
7.4.00.0070.00314.86
7.3.330.0060.00012.86
7.3.320.0030.00313.08
7.3.310.0030.00316.09
7.3.300.0000.00716.17
7.3.290.0170.00316.10
7.3.280.0120.00416.09
7.3.270.0110.00817.40
7.3.260.0120.00616.35
7.3.250.0070.01416.26
7.3.240.0090.00816.04
7.3.230.0070.01416.39
7.3.210.0140.00316.27
7.3.200.0050.01019.39
7.3.190.0110.00616.35
7.3.180.0060.00916.32
7.3.170.0130.00916.27
7.3.160.0060.01016.36
7.3.120.0060.00314.89
7.3.10.0090.00616.48
7.3.00.0150.00016.28
7.2.330.0060.01116.44
7.2.320.0070.01016.48
7.2.310.0140.00716.59
7.2.300.0100.00616.39
7.2.290.0110.00616.54
7.2.130.0000.01216.66
7.2.120.0060.00616.58
7.2.110.0070.00716.84
7.2.100.0030.00616.57
7.2.90.0100.00716.54
7.2.80.0100.00617.02
7.2.70.0030.00716.88
7.2.60.0080.00616.81
7.2.50.0090.00616.77
7.2.40.0060.00316.69
7.2.30.0130.00316.88
7.2.20.0070.00716.58
7.2.10.0080.00416.68
7.2.00.0090.00616.36
7.1.250.0040.00415.75
7.1.200.0030.00815.71
7.1.70.0000.00716.96
7.1.60.0000.01519.70
7.1.50.0120.01216.47
7.1.00.0100.06722.54
7.0.200.0140.01116.48
7.0.140.0030.07322.15
7.0.60.0030.04719.94
7.0.50.0100.05717.80
7.0.40.0070.08020.27
7.0.30.0130.04320.32
7.0.20.0200.04320.16
7.0.10.0000.04720.17
7.0.00.0070.08020.17
5.6.280.0100.07020.84
5.6.210.0070.08020.47
5.6.200.0070.08018.22
5.6.190.0070.08320.78
5.6.180.0300.08020.27
5.6.170.0170.05320.50
5.6.160.0170.04320.61
5.6.150.0100.08018.09
5.6.140.0130.07718.15
5.6.130.0070.04018.11
5.6.120.0100.07720.97
5.6.110.0030.08721.12
5.6.100.0300.07021.01
5.6.90.0030.09021.05
5.6.80.0030.05320.36
5.5.350.0070.08320.43
5.5.340.0100.08318.02
5.5.330.0070.08320.57
5.5.320.0070.05020.29
5.5.310.0270.03720.21
5.5.300.0070.08018.06
5.5.290.0100.07717.91
5.5.280.0100.05020.89
5.5.270.0100.08020.75
5.5.260.0030.08720.64
5.5.250.0100.06720.56
5.5.240.4270.03320.26
5.4.450.0370.04019.13
5.4.440.0200.04019.45
5.4.430.0130.03319.25
5.4.420.0130.04319.13
5.4.410.0030.05319.13
5.4.400.0130.03319.14
5.4.390.0070.05018.80
5.4.380.0200.05018.73
5.4.370.0200.06318.44
5.4.360.0200.05018.67
5.4.350.0200.05018.73
5.4.340.0170.05018.44
5.4.320.0070.05412.45
5.4.310.0060.04212.45
5.4.300.0180.03212.45
5.4.290.0210.04212.45
5.4.280.0160.03512.34
5.4.270.0230.02712.34
5.4.260.0120.05012.35
5.4.250.0060.05612.35
5.4.240.0070.05312.35
5.4.230.0070.05512.34
5.4.220.0040.05212.34
5.4.210.0060.03612.34
5.4.200.0020.04212.34
5.4.190.0100.03512.34
5.4.180.0040.04112.33
5.4.170.0080.04612.34
5.4.160.0060.05212.34
5.4.150.0060.04512.34
5.4.140.0080.04312.02
5.4.130.0060.04212.01
5.4.120.0070.04511.97
5.4.110.0080.03811.96
5.4.100.0090.03611.96
5.4.90.0080.03811.96
5.4.80.0090.03511.96
5.4.70.0080.03511.96
5.4.60.0060.03911.96
5.4.50.0080.04211.96
5.4.40.0090.04611.95
5.4.30.0040.03911.95
5.4.20.0060.03611.95
5.4.10.0060.03611.95
5.4.00.0070.03711.43
5.3.290.0050.04012.80
5.3.280.0080.03712.71
5.3.270.0080.04112.72
5.3.260.0070.04212.71
5.3.250.0110.04612.72
5.3.240.0110.03812.72
5.3.230.0100.03812.71
5.3.220.0120.05412.68
5.3.210.0060.05912.68
5.3.200.0050.04812.68
5.3.190.0070.03712.68
5.3.180.0070.03712.67
5.3.170.0040.04012.67
5.3.160.0080.04212.68
5.3.150.0060.04912.67
5.3.140.0080.03912.66
5.3.130.0060.03912.66
5.3.120.0060.04012.66
5.3.110.0070.04012.66
5.3.100.0060.04312.12
5.3.90.0090.04912.08
5.3.80.0070.04512.07
5.3.70.0090.03512.07
5.3.60.0090.03512.07
5.3.50.0100.03712.00
5.3.40.0060.03812.00
5.3.30.0090.03511.94
5.3.20.0080.03511.72
5.3.10.0070.03711.69
5.3.00.0090.03511.68
5.2.170.0070.0359.18
5.2.160.0090.0509.18
5.2.150.0150.0329.18
5.2.140.0070.0409.18
5.2.130.0060.0329.13
5.2.120.0050.0459.13
5.2.110.0090.0349.14
5.2.100.0070.0339.14
5.2.90.0060.0349.13
5.2.80.0070.0349.13
5.2.70.0060.0399.13
5.2.60.0030.0389.08
5.2.50.0050.0349.05
5.2.40.0070.0299.03
5.2.30.0060.0319.00
5.2.20.0040.0328.99
5.2.10.0040.0348.93
5.2.00.0020.0378.79
5.1.60.0100.0378.07
5.1.50.0040.0318.07
5.1.40.0050.0358.05
5.1.30.0040.0328.41
5.1.20.0050.0318.42
5.1.10.0060.0288.15
5.1.00.0070.0388.15
5.0.50.0050.0276.63
5.0.40.0080.0206.49
5.0.30.0040.0336.30
5.0.20.0040.0196.26
5.0.10.0040.0216.24
5.0.00.0060.0316.23
4.4.90.0030.0174.78
4.4.80.0370.0924.75
4.4.70.0050.0154.75
4.4.60.0040.0174.76
4.4.50.0080.0244.77
4.4.40.0060.0454.71
4.4.30.0050.0214.75
4.4.20.0040.0244.84
4.4.10.0100.0344.85
4.4.00.0060.0314.76
4.3.110.0060.0214.67
4.3.100.0050.0384.66
4.3.90.0060.0424.63
4.3.80.0060.0474.59
4.3.70.0030.0394.63
4.3.60.0080.0444.63
4.3.50.0060.0204.63
4.3.40.0030.0314.54
4.3.30.0070.0223.29
4.3.20.0040.0283.27
4.3.10.0040.0193.23
4.3.00.0070.01352.46

preferences:
38.87 ms | 400 KiB | 5 Q