3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo strspn('adobe', 'a..e'); echo "\n---\n"; echo strspn('adobe', 'abcde');

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)
8.4.130.0100.00517.75
8.4.120.0080.00522.41
8.4.110.0070.00218.76
8.4.100.0150.00518.74
8.4.90.0110.00920.54
8.4.80.0060.00319.29
8.4.70.0040.00317.94
8.4.60.0040.00418.59
8.4.50.0110.01018.61
8.4.40.0030.00717.55
8.4.30.0060.01218.79
8.4.20.0130.00320.66
8.4.10.0040.00422.21
8.3.260.0110.00716.50
8.3.250.0100.00819.00
8.3.240.0130.00616.32
8.3.230.0120.00716.65
8.3.220.0050.00518.88
8.3.210.0090.00918.40
8.3.200.0030.00516.30
8.3.190.0120.01017.29
8.3.180.0120.00618.72
8.3.170.0160.00316.34
8.3.160.0060.01217.13
8.3.150.0140.00318.86
8.3.140.0120.00620.73
8.3.130.0120.00618.20
8.3.120.0000.00820.55
8.3.110.0030.00520.94
8.3.100.0070.00724.06
8.3.90.0040.00426.77
8.3.80.0060.00318.43
8.3.70.0030.01716.38
8.3.60.0040.01118.18
8.3.50.0120.00320.23
8.3.40.0180.00418.71
8.3.30.0080.00618.59
8.3.20.0080.00024.18
8.3.10.0030.00624.66
8.3.00.0040.00426.16
8.2.290.0080.00820.17
8.2.280.0090.00918.13
8.2.270.0100.00316.42
8.2.260.0060.00316.23
8.2.250.0040.00418.45
8.2.240.0090.00017.09
8.2.230.0080.00022.58
8.2.220.0090.00337.54
8.2.210.0040.00426.77
8.2.200.0040.00416.25
8.2.190.0070.01018.42
8.2.180.0160.00716.63
8.2.170.0060.00918.78
8.2.160.0070.00722.96
8.2.150.0080.00025.66
8.2.140.0030.00524.66
8.2.130.0000.00726.16
8.2.120.0040.00418.59
8.2.110.0140.00419.29
8.2.100.0080.00417.72
8.2.90.0000.00819.09
8.2.80.0070.00417.97
8.2.70.0040.00417.63
8.2.60.0000.00817.93
8.2.50.0000.00818.07
8.2.40.0030.00519.63
8.2.30.0080.00018.00
8.2.20.0000.00820.32
8.2.10.0050.00217.91
8.2.00.0070.00019.13
8.1.330.0100.00921.78
8.1.320.0090.00916.01
8.1.310.0030.00616.56
8.1.300.0060.00317.78
8.1.290.0000.01030.84
8.1.280.0070.00725.92
8.1.270.0050.00323.99
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0100.00023.80
8.1.230.0080.00320.89
8.1.220.0000.00817.74
8.1.210.0030.00618.77
8.1.200.0030.00617.13
8.1.190.0040.00417.23
8.1.180.0000.00918.10
8.1.170.0040.00418.50
8.1.160.0070.00018.72
8.1.150.0070.00418.46
8.1.140.0070.00017.29
8.1.130.0000.00719.12
8.1.120.0070.00017.22
8.1.110.0050.00518.64
8.1.100.0000.00817.38
8.1.90.0060.00317.28
8.1.80.0030.00617.31
8.1.70.0080.00517.32
8.1.60.0160.00017.42
8.1.50.0140.00517.27
8.1.40.0120.00617.32
8.1.30.0120.00817.50
8.1.20.0160.00317.51
8.1.10.0140.00517.34
8.1.00.0180.00017.32
8.0.300.0040.00418.77
8.0.290.0000.00816.63
8.0.280.0000.00718.38
8.0.270.0030.00316.71
8.0.260.0030.00516.66
8.0.250.0000.00716.89
8.0.240.0030.00516.91
8.0.230.0040.00416.81
8.0.220.0070.00016.75
8.0.210.0060.00016.63
8.0.200.0120.00216.70
8.0.190.0120.00316.61
8.0.180.0130.00316.62
8.0.170.0050.01016.67
8.0.160.0100.00516.71
8.0.150.0120.00316.57
8.0.140.0100.00516.52
8.0.130.0080.00516.70
8.0.120.0070.00716.61
8.0.110.0070.00716.73
8.0.100.0150.00016.64
8.0.90.0080.00516.61
8.0.80.0150.00016.64
8.0.70.0130.00316.55
8.0.60.0000.00916.71
8.0.50.0070.00216.71
8.0.30.0100.00416.50
8.0.20.0120.00316.82
8.0.10.0110.00416.86
7.4.330.0000.00515.55
7.4.320.0000.00616.36
7.4.300.0100.00316.39
7.4.290.0100.00716.36
7.4.280.0070.00716.38
7.4.270.0080.00616.39
7.4.260.0000.01316.41
7.4.250.0110.00416.38
7.4.240.0030.00916.41
7.4.230.0050.00816.28
7.4.220.0080.00516.33
7.4.210.0130.00016.31
7.4.200.0110.00016.38
7.4.190.0080.00516.27
7.4.180.0080.00516.19
7.4.160.0090.00616.42
7.4.150.0080.00316.35
7.4.140.0030.00615.96
7.4.130.0030.00716.29
7.4.120.0100.00016.29
7.4.110.0050.00516.35
7.4.100.0030.00616.23
7.4.90.0050.00516.26
7.4.80.0070.00316.20
7.4.70.0100.00216.11
7.4.60.0040.00615.93
7.4.50.0050.00516.27
7.4.40.0050.00516.17
7.4.30.0030.00816.25
7.4.20.0050.00516.24
7.4.10.0050.00515.96
7.4.00.0100.00016.16
5.6.360.0040.00616.85
4.4.00.0030.00015.55

preferences:
28.58 ms | 403 KiB | 5 Q