3v4l.org

run code in 300+ PHP versions simultaneously
<?php $className = 'Exception'; $result = substr($className, 0, -strlen($className) - 1); var_dump($result);

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)
8.5.10.0030.00718.59
8.5.00.0120.00822.88
8.4.160.0070.01422.11
8.4.150.0080.00516.87
8.4.140.0100.01017.59
8.4.130.0370.01017.45
8.4.120.0450.00517.74
8.4.110.0310.00517.41
8.4.100.0360.01417.55
8.4.90.0420.00817.63
8.4.80.0400.00817.60
8.4.70.0260.00517.46
8.4.60.0390.01317.70
8.4.50.0410.00517.51
8.4.40.0240.00417.38
8.4.30.0410.00617.41
8.4.20.0350.00917.49
8.4.10.0220.00317.67
8.3.290.0120.00720.82
8.3.280.0080.00317.14
8.3.270.0150.00416.77
8.3.260.0110.00418.29
8.3.250.0390.00716.27
8.3.240.0340.00916.54
8.3.230.0420.01016.61
8.3.220.0430.00516.46
8.3.210.0360.00816.13
8.3.200.0370.01116.26
8.3.190.0390.00716.41
8.3.180.0330.00816.30
8.3.170.0400.00816.05
8.3.160.0420.00716.43
8.3.150.0420.00616.03
8.3.140.0330.00416.34
8.3.130.0170.00316.54
8.3.120.0170.00416.18
8.3.110.0140.00516.18
8.3.100.0290.00316.25
8.3.90.0280.00516.30
8.3.80.0280.00416.29
8.3.70.0270.00716.11
8.3.60.0290.00916.52
8.3.50.0220.00416.36
8.3.40.0430.01017.41
8.3.30.0260.00417.37
8.3.20.0130.00517.14
8.3.10.0160.00217.39
8.3.00.0130.00317.33
8.2.300.0130.00620.36
8.2.290.0260.00516.46
8.2.280.0310.00616.69
8.2.270.0360.00716.77
8.2.260.0190.00516.57
8.2.250.0170.00316.32
8.2.240.0200.00516.46
8.2.230.0230.00416.54
8.2.220.0210.00616.63
8.2.210.0300.01016.20
8.2.200.0360.00615.90
8.2.190.0340.00916.08
8.2.180.0330.00916.11
8.2.170.0400.00617.60
8.2.160.0400.00517.43
8.2.150.0350.00617.55
8.2.140.0350.00617.37
8.2.130.0240.00517.61
8.2.120.0170.00317.61
8.2.110.0220.00317.66
8.2.100.0180.01017.51
8.2.90.0380.00717.67
8.2.80.0330.01217.46
8.2.70.0390.00917.43
8.2.60.0220.00617.52
8.2.50.0340.00717.45
8.2.40.0440.00717.50
8.2.30.0370.00417.66
8.2.20.0360.00517.40
8.2.10.0340.00717.38
8.2.00.0340.00817.65
8.1.340.0130.00721.67
7.4.330.0290.00716.36

preferences:
35.41 ms | 403 KiB | 5 Q