3v4l.org

run code in 300+ PHP versions simultaneously
<?php mb_internal_encoding('UTF-8'); $text = <<<TEXT Павел Дуров fsdf sdf sdf TEXT; $filter = ''; $filter = mb_strtolower($filter); $parts = mb_split('[\x00-\x20]+', $filter); $parts = array_map('trim', $parts); $parts = array_filter($parts); $parts = array_map('preg_quote', $parts); $filter = implode('.*', $parts); echo preg_match("~{$filter}~uis", $text);

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)
8.3.60.0070.01417.00
8.3.50.0110.00416.53
8.3.40.0170.00318.80
8.3.30.0100.00719.08
8.3.20.0080.00020.46
8.3.10.0030.00623.78
8.3.00.0060.00322.27
8.2.180.0040.01417.00
8.2.170.0110.00422.96
8.2.160.0110.00419.38
8.2.150.0050.00224.18
8.2.140.0050.00324.66
8.2.130.0000.00721.29
8.2.120.0000.00826.35
8.2.110.0050.00520.25
8.2.100.0090.00318.09
8.2.90.0050.00319.36
8.2.80.0080.00017.97
8.2.70.0000.00917.88
8.2.60.0060.00318.04
8.2.50.0050.00318.10
8.2.40.0090.00020.67
8.2.30.0030.00521.12
8.2.20.0050.00318.06
8.2.10.0040.00418.11
8.2.00.0040.00418.21
8.1.280.0150.00025.92
8.1.270.0040.00422.31
8.1.260.0090.00026.35
8.1.250.0000.00728.09
8.1.240.0060.01223.96
8.1.230.0040.00717.83
8.1.220.0050.00317.88
8.1.210.0050.00318.77
8.1.200.0120.00017.48
8.1.190.0000.00817.48
8.1.180.0000.01018.10
8.1.170.0030.00519.15
8.1.160.0040.00419.17
8.1.150.0040.00418.99
8.1.140.0000.00719.72
8.1.130.0000.00718.91
8.1.120.0000.00717.75
8.1.110.0060.00317.68
8.1.100.0040.00417.67
8.1.90.0080.00017.60
8.1.80.0040.00417.72
8.1.70.0030.00517.72
8.1.60.0050.00317.68
8.1.50.0000.00817.80
8.1.40.0050.00317.79
8.1.30.0000.00817.78
8.1.20.0050.00317.92
8.1.10.0060.00317.85
8.1.00.0030.00617.60
8.0.300.0000.00718.77
8.0.290.0000.00917.13
8.0.280.0020.00518.61
8.0.270.0040.00417.47
8.0.260.0070.00018.68
8.0.250.0070.00017.33
8.0.240.0000.00817.38
8.0.230.0000.00717.33
8.0.220.0000.00717.34
8.0.210.0040.00417.33
8.0.200.0060.00017.39
8.0.190.0030.00617.40
8.0.180.0040.00417.39
8.0.170.0050.00317.36
8.0.160.0000.00717.45
8.0.150.0040.00417.36
8.0.140.0040.00417.30
8.0.130.0050.00013.80
8.0.120.0050.00217.30
8.0.110.0040.00417.35
8.0.100.0040.00417.20
8.0.90.0000.00717.18
8.0.80.0090.00617.23
8.0.70.0080.00017.49
8.0.60.0080.00017.36
8.0.50.0000.00717.18
8.0.30.0050.01417.46
8.0.20.0090.01117.41
8.0.10.0000.00717.14
8.0.00.0040.01317.05
7.4.330.0030.00315.55
7.4.320.0030.00316.93
7.4.300.0030.00316.84
7.4.290.0070.00016.84
7.4.280.0040.00416.91
7.4.270.0080.00016.73
7.4.260.0030.00316.92
7.4.250.0000.00716.85
7.4.240.0040.00416.81
7.4.230.0000.00716.84
7.4.220.0030.01417.03
7.4.210.0080.00916.91
7.4.200.0040.00417.04
7.4.160.0080.00816.82
7.4.150.0030.01317.40
7.4.140.0100.01117.86
7.4.130.0120.00616.71
7.4.120.0110.00816.92
7.3.330.0030.00313.53
7.3.320.0060.00013.38
7.3.310.0030.00316.56
7.3.300.0000.00716.61
7.3.290.0000.00716.52
7.3.280.0100.00816.63
7.3.270.0100.00717.40
7.3.260.0110.00816.74
7.3.250.0120.00816.59
7.3.240.0050.01216.66
7.1.70.0040.00917.07

preferences:
45.68 ms | 401 KiB | 5 Q