3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(strpos(trim('Mr To Whom It May Concern'), 'May Concern'));

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)
8.3.60.0110.00418.43
8.3.50.0070.01416.38
8.3.40.0090.01218.49
8.3.30.0110.00418.46
8.3.20.0070.00020.36
8.3.10.0100.00021.57
8.3.00.0080.00019.56
8.2.180.0090.00916.38
8.2.170.0110.00322.96
8.2.160.0140.00718.86
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0080.00019.33
8.2.120.0040.00426.35
8.2.110.0060.00320.52
8.2.100.0120.00017.78
8.2.90.0040.00419.09
8.2.80.0000.00817.97
8.2.70.0060.00617.50
8.2.60.0050.00317.68
8.2.50.0030.00518.10
8.2.40.0040.00420.42
8.2.30.0000.00820.89
8.2.20.0050.00317.92
8.2.10.0070.00017.84
8.2.00.0040.00417.91
8.1.280.0140.00725.92
8.1.270.0000.00821.98
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00623.88
8.1.230.0090.00319.00
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0000.01017.23
8.1.190.0000.00917.11
8.1.180.0040.00418.10
8.1.170.0070.00018.87
8.1.160.0050.00218.97
8.1.150.0030.00618.66
8.1.140.0030.00519.38
8.1.130.0080.00318.66
8.1.120.0040.00417.35
8.1.110.0000.00817.28
8.1.100.0050.00317.39
8.1.90.0070.00017.39
8.1.80.0000.00717.21
8.1.70.0000.00817.20
8.1.60.0000.00817.41
8.1.50.0070.00017.27
8.1.40.0040.00417.36
8.1.30.0040.00417.45
8.1.20.0040.00417.39
8.1.10.0050.00317.38
8.1.00.0030.00517.28
8.0.300.0040.00420.03
8.0.290.0040.00416.58
8.0.280.0030.00318.29
8.0.270.0000.00716.99
8.0.260.0060.00016.70
8.0.250.0000.00716.82
8.0.240.0000.00716.68
8.0.230.0040.00416.77
8.0.220.0000.00716.76
8.0.210.0040.00416.73
8.0.200.0070.00016.80
8.0.190.0000.00816.82
8.0.180.0040.00416.82
8.0.170.0080.00016.73
8.0.160.0030.00316.79
8.0.150.0030.00316.68
8.0.140.0000.00716.61
8.0.130.0000.00613.14
8.0.120.0020.00516.55
8.0.110.0000.00716.69
8.0.100.0030.00516.75
8.0.90.0030.00516.74
8.0.80.0090.00616.77
8.0.70.0000.00716.72
8.0.60.0000.00716.70
8.0.50.0040.00416.55
8.0.30.0080.00916.85
8.0.20.0060.01217.40
8.0.10.0040.00416.73
8.0.00.0060.01216.70
7.4.330.0030.00315.55
7.4.320.0030.00316.41
7.4.300.0030.00316.32
7.4.290.0030.00316.43
7.4.280.0000.00816.26
7.4.270.0000.00716.35
7.4.260.0030.00316.41
7.4.250.0030.00316.46
7.4.240.0080.00016.30
7.4.230.0040.00416.37
7.4.220.0170.00016.56
7.4.210.0060.00916.55
7.4.200.0040.00416.25
7.4.160.0050.01116.41
7.4.150.0130.01017.40
7.4.140.0120.00917.86
7.4.130.0110.00816.32
7.4.120.0100.01016.33
7.3.330.0050.00012.96
7.3.320.0000.00513.00
7.3.310.0040.00416.15
7.3.300.0030.00316.02
7.3.290.0060.00916.14
7.3.280.0110.00616.14
7.3.270.0100.00617.40
7.3.260.0100.01316.31
7.3.250.0110.00716.25
7.3.240.0110.00616.34

preferences:
34.69 ms | 400 KiB | 5 Q