3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = "bla_string_bla_bla_bla"; $prefix = 'bla_'; $str = preg_replace('#^' . preg_quote($prefix) . '#', '', $str); var_export($str); echo "\n---\n"; $str = "string_bla_bla_bla"; $str = preg_replace('#^' . preg_quote($prefix) . '#', '', $str); var_export($str);

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)
8.4.130.0120.00918.18
8.4.120.0050.00620.63
8.4.110.0070.00318.86
8.4.100.0100.01017.63
8.4.90.0110.01020.49
8.4.80.0070.00220.64
8.4.70.0110.00520.68
8.4.60.0100.00720.38
8.4.50.0130.00718.81
8.4.40.0190.00317.66
8.4.30.0030.01618.92
8.4.20.0030.00719.66
8.4.10.0080.00019.49
8.3.250.0050.00319.08
8.3.240.0110.00916.76
8.3.230.0110.00816.73
8.3.220.0080.01019.12
8.3.210.0070.00116.53
8.3.200.0050.01117.00
8.3.190.0040.00417.05
8.3.180.0140.00517.26
8.3.170.0130.00620.63
8.3.160.0120.00617.11
8.3.150.0070.01119.05
8.3.140.0040.00416.91
8.3.130.0080.00016.97
8.3.120.0030.00518.87
8.3.110.0080.00020.94
8.3.100.0100.00724.06
8.3.90.0000.00826.77
8.3.80.0070.00316.58
8.3.70.0140.00716.75
8.3.60.0110.00418.57
8.3.50.0070.01116.70
8.3.40.0070.00723.46
8.3.30.0130.00722.96
8.3.20.0160.00323.66
8.3.10.0040.01522.96
8.3.00.0110.00822.96
8.2.290.0100.00917.12
8.2.280.0050.00318.43
8.2.270.0070.01120.27
8.2.260.0150.00416.91
8.2.250.0060.00316.76
8.2.240.0060.00319.21
8.2.230.0000.00822.58
8.2.220.0030.00637.54
8.2.210.0150.00026.77
8.2.200.0000.00916.88
8.2.190.0120.00318.30
8.2.180.0140.00716.63
8.2.170.0070.00722.96
8.2.160.0120.00622.96
8.2.150.0120.00322.96
8.2.140.0070.00722.96
8.2.130.0090.01222.96
8.2.120.0080.00822.96
8.2.110.0120.00922.96
8.2.100.0040.01122.96
8.2.90.0150.00722.96
8.2.80.0120.00322.96
8.2.70.0140.00722.96
8.2.60.0100.01022.96
8.2.50.0120.00622.96
8.2.40.0180.00422.96
8.2.30.0120.00822.96
8.2.20.0150.00422.96
8.2.10.0090.01222.96
8.2.00.0160.00322.96
8.1.330.0120.00616.59
8.1.320.0130.00616.26
8.1.310.0040.01116.83
8.1.300.0060.00316.23
8.1.290.0030.00618.88
8.1.280.0070.00725.92
8.1.270.0150.00422.96
8.1.260.0070.01422.96
8.1.250.0190.00022.96
8.1.240.0110.00722.96
8.1.230.0130.00722.96
8.1.220.0080.01222.96
8.1.210.0080.01122.96
8.1.200.0120.00422.96
8.1.190.0130.00722.96
8.1.180.0070.01422.96
8.1.170.0120.00322.96
8.1.160.0040.01122.96
8.1.150.0030.01722.96
8.1.140.0090.01222.96
8.1.130.0090.01222.96
8.1.120.0130.00322.96
8.1.110.0070.01422.96
8.1.100.0060.01022.96
8.1.90.0130.00322.96
8.1.80.0070.01022.96
8.1.70.0070.01022.96
8.1.60.0150.00422.96
8.1.50.0140.00022.96
8.1.40.0120.00322.96
8.1.30.0070.00722.96
8.1.20.0090.00622.96
8.1.10.0090.00622.96
8.1.00.0040.01122.96

preferences:
35.35 ms | 403 KiB | 5 Q