3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump( strspn('fffak', 'f') );

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)
8.3.60.0090.00918.43
8.3.50.0080.00821.98
8.3.40.0130.01018.67
8.3.30.0140.00019.00
8.3.20.0040.00420.35
8.3.10.0040.00421.92
8.3.00.0040.00422.39
8.2.180.0090.00916.63
8.2.170.0070.00722.96
8.2.160.0070.00720.64
8.2.150.0070.00024.18
8.2.140.0060.00324.66
8.2.130.0150.00426.16
8.2.120.0000.00719.24
8.2.110.0060.00320.48
8.2.100.0080.00417.64
8.2.90.0050.00317.93
8.2.80.0040.00418.66
8.2.70.0050.00317.50
8.2.60.0040.00417.50
8.2.50.0000.00817.80
8.2.40.0000.00819.63
8.2.30.0030.00717.94
8.2.20.0000.00817.38
8.2.10.0030.00519.33
8.2.00.0030.00617.62
8.1.280.0120.00625.92
8.1.270.0080.00021.95
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0030.00623.63
8.1.230.0070.00421.04
8.1.220.0050.00318.36
8.1.210.0040.00418.77
8.1.200.0040.00417.10
8.1.190.0030.00617.11
8.1.180.0000.00818.10
8.1.170.0070.00017.62
8.1.160.0070.00021.95
8.1.150.0000.00818.53
8.1.140.0050.00317.37
8.1.130.0040.00417.81
8.1.120.0030.00517.36
8.1.110.0050.00217.23
8.1.100.0040.00417.23
8.1.90.0000.00817.34
8.1.80.0000.00717.31
8.1.70.0030.00317.24
8.1.60.0000.00817.35
8.1.50.0000.00717.41
8.1.40.0040.00417.29
8.1.30.0040.00417.43
8.1.20.0040.00417.57
8.1.10.0040.00417.30
8.1.00.0040.00417.21
8.0.300.0040.00418.77
8.0.290.0000.00816.63
8.0.280.0000.00818.24
8.0.270.0000.00717.17
8.0.260.0050.00216.74
8.0.250.0000.00616.70
8.0.240.0030.00316.85
8.0.230.0000.00816.78
8.0.220.0000.00716.77
8.0.210.0000.00716.68
8.0.200.0030.00316.79
8.0.190.0000.00716.86
8.0.180.0030.00316.70
8.0.170.0000.00716.79
8.0.160.0030.00616.83
8.0.150.0050.00216.83
8.0.140.0040.00416.77
8.0.130.0030.00313.22
8.0.120.0030.00616.72
8.0.110.0040.00416.77
8.0.100.0070.00016.71
8.0.90.0000.00816.88
8.0.80.0090.00916.68
8.0.70.0070.00016.75
8.0.60.0000.00716.63
8.0.50.0000.00716.80
8.0.30.0170.00716.69
8.0.20.0060.01617.40
8.0.10.0040.00416.94
8.0.00.0060.01116.62
7.4.330.0000.00615.07
7.4.320.0000.00616.46
7.4.300.0050.00216.46
7.4.290.0030.00316.37
7.4.280.0000.00716.42
7.4.270.0050.00316.48
7.4.260.0000.00716.36
7.4.250.0070.00016.29
7.4.240.0030.00416.42
7.4.230.0030.00316.55
7.4.220.0140.00316.54
7.4.210.0040.01116.38
7.4.200.0040.00416.17
7.4.190.0000.00816.34
7.4.160.0060.00916.32
7.4.150.0120.00617.40
7.4.140.0130.00717.86
7.4.130.0120.00516.37
7.4.120.0090.01016.32
7.4.110.0070.01016.52
7.4.100.0090.01216.26
7.4.90.0080.00916.36
7.4.80.0060.01519.39
7.4.70.0060.01016.27
7.4.60.0070.01016.38
7.4.50.0080.00016.42
7.4.40.0070.01022.77
7.4.30.0030.01216.04
7.4.00.0060.01114.58
7.3.330.0030.00313.06
7.3.320.0030.00312.86
7.3.310.0040.00416.22
7.3.300.0000.00616.12
7.3.290.0060.00916.09
7.3.280.0090.00716.16
7.3.270.0030.01317.40
7.3.260.0060.01816.49
7.3.250.0100.00916.41
7.3.240.0120.00616.33
7.3.230.0040.01216.39
7.3.210.0030.01316.29
7.3.200.0060.01519.39
7.3.190.0110.01116.21
7.3.180.0120.00416.39
7.3.170.0110.00616.40
7.3.160.0140.00716.12
7.3.120.0080.00614.64
7.2.330.0070.01416.46
7.2.320.0120.00816.24
7.2.310.0090.00816.49
7.2.300.0060.01016.26
7.2.290.0100.01016.21
7.2.00.0030.00919.09
7.1.100.0060.00617.94
7.1.70.0170.00416.78
7.1.60.0100.01419.82
7.1.50.0040.00716.82
7.1.00.0070.07022.46
7.0.200.0040.00816.47
7.0.140.0070.07022.01
7.0.100.0170.07719.94
7.0.90.0100.06719.87
7.0.80.0130.07319.91
7.0.70.0200.06319.90
7.0.60.0170.06720.02
7.0.50.0100.05320.34
7.0.40.0130.06020.09
7.0.30.0100.07720.04
7.0.20.0170.06020.05
7.0.10.0070.06720.10
7.0.00.0030.08720.17
5.6.280.0070.07020.93
5.6.250.0070.07320.75
5.6.240.0100.07320.66
5.6.230.0130.08020.63
5.6.220.0070.08320.66
5.6.210.0070.08020.61
5.6.200.0030.07720.95
5.6.190.0100.07321.03
5.6.180.0100.08321.13
5.6.170.0070.05021.10
5.6.160.0070.08321.02
5.6.150.0070.06721.10
5.6.140.0170.08020.95
5.6.130.0100.07320.93
5.6.120.0000.08021.03
5.6.110.0100.06321.00
5.6.100.0030.09020.93
5.6.90.0130.08021.03
5.6.80.0130.07320.38
5.6.70.0130.07020.39
5.6.60.0070.07720.53
5.6.50.0200.04020.31
5.6.40.0070.06720.29
5.6.30.0130.07020.53
5.6.20.0100.07720.36
5.6.10.0100.07320.36
5.6.00.0130.07020.36
5.5.380.0100.07020.36
5.5.370.0070.07320.37
5.5.360.0200.06320.55
5.5.350.0130.07720.42
5.5.340.0070.08020.82
5.5.330.0030.08320.80
5.5.320.0030.06020.75
5.5.310.0130.07320.77
5.5.300.0030.08320.81
5.5.290.0200.06320.63
5.5.280.0130.08020.77
5.5.270.0070.08320.75
5.5.260.0070.08020.90
5.5.250.0070.08720.54
5.5.240.0070.08020.18
5.5.230.0100.06720.30
5.5.220.0070.07720.10
5.5.210.0030.05020.30
5.5.200.0070.07019.98
5.5.190.0070.07720.23
5.5.180.0100.07320.12
5.5.160.0100.04320.14
5.5.150.0100.07020.14
5.5.140.0030.08020.11
5.5.130.0070.07720.21
5.5.120.0070.07720.23
5.5.110.0100.08020.07
5.5.100.0100.07320.15
5.5.90.0000.08319.94
5.5.80.0070.07320.16
5.5.70.0070.08320.14
5.5.60.0030.08020.05
5.5.50.0130.06320.14
5.5.40.0170.05020.05
5.5.30.0170.06320.08
5.5.20.0070.07320.08
5.5.10.0100.07320.05
5.5.00.0100.07720.04
5.4.450.0200.06719.45
5.4.440.0000.08719.36
5.4.430.0070.06719.44
5.4.420.0030.07719.27
5.4.410.0000.05319.01
5.4.400.0200.06319.13
5.4.390.0170.06719.12
5.4.380.0030.07019.23
5.4.370.0270.05719.04
5.4.360.0070.08019.13
5.4.350.0030.07019.25
5.4.340.0030.08019.03
5.4.320.0070.07319.08
5.4.310.0070.06719.15
5.4.300.0100.07018.81
5.4.290.0070.07319.03
5.4.280.0100.07019.14
5.4.270.0070.06019.12
5.4.260.0100.06318.96
5.4.250.0100.07319.04
5.4.240.0100.07019.14
5.4.230.0100.07719.08
5.4.220.0100.07019.13
5.4.210.0130.06719.22
5.4.200.0170.06718.99
5.4.190.0070.07318.77
5.4.180.0100.07318.80
5.4.170.0030.07719.02
5.4.160.0070.08018.92
5.4.150.0030.08319.21
5.4.140.0100.06316.38
5.4.130.0130.06716.12
5.4.120.0130.06016.37
5.4.110.0030.07316.26
5.4.100.0070.07316.43
5.4.90.0030.07716.31
5.4.80.0070.06716.38
5.4.70.0100.06716.32
5.4.60.0130.03316.18
5.4.50.0030.07316.21
5.4.40.0030.07316.46
5.4.30.0030.08016.18
5.4.20.0070.06316.20
5.4.10.0100.07316.36
5.4.00.0000.07315.71
5.3.290.0100.04714.63
5.3.280.0170.06014.60
5.3.270.0030.07714.61
5.3.260.0030.04714.56
5.3.250.0030.06314.42
5.3.240.0100.06714.45
5.3.230.0100.06714.46
5.3.220.0100.07014.55
5.3.210.0130.07314.55
5.3.200.0030.08314.55
5.3.190.0000.08014.56
5.3.180.0030.05014.52
5.3.170.0170.07314.47
5.3.160.0030.07014.58
5.3.150.0100.06714.55
5.3.140.0000.07314.41
5.3.130.0100.06314.53
5.3.120.0100.07014.43
5.3.110.0100.07714.50
5.3.100.0030.07714.01
5.3.90.0030.04713.88
5.3.80.0170.06714.01
5.3.70.0070.07013.77
5.3.60.0030.07713.99
5.3.50.0070.07313.90
5.3.40.0030.07713.81
5.3.30.0070.06313.87
5.3.20.0100.06313.66
5.3.10.0030.05713.61
5.3.00.0070.07313.62
5.2.170.0030.05011.09
5.2.160.0000.04710.93
5.2.150.0070.05710.98
5.2.140.0070.06011.13
5.2.130.0000.04311.01
5.2.120.0070.06011.10
5.2.110.0000.07011.09
5.2.100.0030.03711.09
5.2.90.0030.06311.10
5.2.80.0070.06711.14
5.2.70.0030.04011.01
5.2.60.0030.06710.93
5.2.50.0070.05710.93
5.2.40.0030.06010.93
5.2.30.0000.05010.93
5.2.20.0100.06010.95
5.2.10.0030.05310.93
5.2.00.0030.06310.93
5.1.60.0070.04710.93
5.1.50.0070.05310.93
5.1.40.0070.05310.93
5.1.30.0030.05710.93
5.1.20.0030.03310.93
5.1.10.0030.05310.93
5.1.00.0070.05010.93
5.0.50.0030.04710.93
5.0.40.0070.04010.93
5.0.30.0030.06310.93
5.0.20.0070.04010.93
5.0.10.0100.03310.93
5.0.00.0070.03310.93
4.4.90.0000.03710.93
4.4.80.0070.03010.93
4.4.70.0070.03310.93
4.4.60.0030.03310.93
4.4.50.0000.03710.93
4.4.40.0070.04310.93
4.4.30.0000.02310.93
4.4.20.0000.02310.93
4.4.10.0030.03310.93
4.4.00.0070.05010.93
4.3.110.0000.02310.93
4.3.100.0030.02710.93
4.3.90.0000.02310.93
4.3.80.0000.05310.93
4.3.70.0000.03710.93
4.3.60.0070.03010.93
4.3.50.0000.03310.93
4.3.40.0000.05010.93
4.3.30.0030.01310.93
4.3.20.0000.01710.93
4.3.10.0000.01710.93
4.3.00.0070.01010.93

preferences:
35.91 ms | 401 KiB | 5 Q