3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = '[^A-Za-z\r\n@£$¥èéùìòÇØøÅå\u0394\u03A6\u0393\u039B\u03A9\u03A0\u03A8\u03A3\u0398\u039E]'; $data = 'asdf‘‼asdf'; $tmp = []; $result = mb_ereg($x,$data,$tmp); var_dump($tmp); /* $result = preg_match_all($x,$data,$tmp); var_dump($tmp); $z = $tmp[0][1]; $y = strpos($data,$z); $q = substr($data,$y,3); var_dump($q); */

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)
8.3.60.0140.00716.63
8.3.50.0070.01316.46
8.3.40.0070.00718.72
8.3.30.0040.01118.61
8.3.20.0040.00420.21
8.3.10.0070.00021.80
8.3.00.0060.00319.26
8.2.180.0070.01116.62
8.2.170.0070.01122.96
8.2.160.0120.00320.38
8.2.150.0040.00424.18
8.2.140.0060.00324.66
8.2.130.0040.00421.05
8.2.120.0030.00526.35
8.2.110.0030.00721.18
8.2.100.0040.00818.21
8.2.90.0000.00819.29
8.2.80.0040.00417.97
8.2.70.0030.00617.50
8.2.60.0040.00417.93
8.2.50.0040.00418.10
8.2.40.0090.00020.39
8.2.30.0040.00420.91
8.2.20.0040.00418.13
8.2.10.0050.00318.14
8.2.00.0000.00818.13
8.1.280.0040.01125.92
8.1.270.0000.00722.19
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00623.96
8.1.230.0070.00319.20
8.1.220.0050.00317.74
8.1.210.0090.00018.77
8.1.200.0000.00817.35
8.1.190.0060.00317.23
8.1.180.0000.00718.10
8.1.170.0070.00018.54
8.1.160.0030.00619.07
8.1.150.0000.00718.87
8.1.140.0050.00219.56
8.1.130.0030.00318.83
8.1.120.0000.00717.50
8.1.110.0000.00817.59
8.1.100.0000.00717.57
8.1.90.0000.00817.46
8.1.80.0000.00817.51
8.1.70.0030.00317.59
8.1.60.0040.00417.58
8.1.50.0040.00417.59
8.1.40.0000.00817.52
8.1.30.0040.00417.71
8.1.20.0000.00717.64
8.1.10.0000.00817.59
8.1.00.0000.00717.50
8.0.300.0000.00718.77
8.0.290.0060.00316.63
8.0.280.0030.00318.57
8.0.270.0030.00317.32
8.0.260.0070.00016.88
8.0.250.0000.00716.99
8.0.240.0070.00017.02
8.0.230.0070.00317.06
8.0.220.0000.00716.91
8.0.210.0030.00316.90
8.0.200.0050.00217.05
8.0.190.0030.00516.98
8.0.180.0070.00016.89
8.0.170.0030.00316.87
8.0.160.0000.00716.96
8.0.150.0040.00416.96
8.0.140.0030.00316.88
8.0.130.0000.00613.45
8.0.120.0040.00416.93
8.0.110.0050.00317.07
8.0.100.0030.00516.91
8.0.90.0040.00416.86
8.0.80.0030.01316.97
8.0.70.0070.00016.79
8.0.60.0000.00816.98
8.0.50.0080.00016.77
8.0.30.0060.01117.09
8.0.20.0100.01017.40
8.0.10.0000.00716.89
8.0.00.0100.01316.79
7.4.330.0000.00515.55
7.4.320.0000.00616.59
7.4.300.0000.00716.65
7.4.290.0090.00016.61
7.4.280.0000.00816.61
7.4.270.0030.00316.48
7.4.260.0070.00416.65
7.4.250.0080.00016.53
7.4.240.0040.00416.66
7.4.230.0040.00416.75
7.4.220.0070.01816.61
7.4.210.0110.00416.77
7.4.200.0030.00316.69
7.4.160.0100.00816.44
7.4.150.0160.01317.40
7.4.140.0110.01017.86
7.4.130.0080.01616.29
7.4.120.0110.00816.53
7.3.330.0000.00513.11
7.3.320.0060.00013.06
7.3.310.0030.00316.32
7.3.300.0050.00216.37
7.3.290.0040.01016.20
7.3.280.0080.00816.27
7.3.270.0110.00517.40
7.3.260.0110.00916.40
7.3.250.0090.01016.37
7.3.240.0050.01216.43
7.1.70.0310.01214.99

preferences:
43.67 ms | 400 KiB | 5 Q