3v4l.org

run code in 300+ PHP versions simultaneously
<?php $text = <<<TXT /some /text / TXT; $pattern = "/"; $pattern = mb_convert_encoding($pattern, 'UTF-8', 'Windows-1251'); $pattern = preg_quote($pattern, '/'); $pattern = mb_convert_encoding($pattern, 'Windows-1251', 'UTF-8'); $pattern .= "(text|some)"; var_dump($pattern); $matches = array(); $match = preg_match_all("/^" . $pattern . "/mi", $text, $matches); var_dump($match, $matches); mb_regex_encoding('UTF-8'); mb_ereg_search_init($text); while(mb_ereg_search("^" . $pattern, "imz")) { $r = mb_ereg_search_getregs(); mb_ereg_search_setpos(mb_ereg_search_getpos()); var_dump($r); }

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)
8.3.60.0070.00716.75
8.3.50.0100.00717.64
8.3.40.0120.00319.05
8.3.30.0140.00018.92
8.3.20.0040.00418.98
8.3.10.0060.00319.11
8.3.00.0030.00619.63
8.2.180.0120.00317.00
8.2.170.0070.00722.96
8.2.160.0120.00319.37
8.2.150.0070.00324.18
8.2.140.0050.00324.66
8.2.130.0000.00826.16
8.2.120.0080.00019.86
8.2.110.0030.00622.50
8.2.100.0030.00819.95
8.2.90.0030.00618.00
8.2.80.0060.00319.24
8.2.70.0030.00618.13
8.2.60.0040.00418.30
8.2.50.0050.00318.41
8.2.40.0080.00020.05
8.2.30.0030.00718.22
8.2.20.0030.00718.15
8.2.10.0000.00718.23
8.2.00.0060.00718.21
8.1.280.0060.01625.92
8.1.270.0040.00423.99
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0030.00621.09
8.1.230.0040.00818.08
8.1.220.0040.00418.00
8.1.210.0050.00318.77
8.1.200.0060.00317.73
8.1.190.0050.00517.73
8.1.180.0000.00818.10
8.1.170.0030.00717.62
8.1.160.0000.00719.10
8.1.150.0000.00719.04
8.1.140.0000.00817.85
8.1.130.0030.00619.62
8.1.120.0000.00717.86
8.1.110.0070.00017.89
8.1.100.0050.00317.93
8.1.90.0040.00417.87
8.1.80.0050.00317.79
8.1.70.0030.00517.84
8.1.60.0000.00917.92
8.1.50.0040.00417.88
8.1.40.0040.00417.91
8.1.30.0040.00418.05
8.1.20.0040.00418.02
8.1.10.0050.00217.90
8.1.00.0030.00617.99
8.0.300.0060.00318.77
8.0.290.0000.00717.00
8.0.280.0030.00318.63
8.0.270.0000.00717.34
8.0.260.0000.00717.09
8.0.250.0040.00417.35
8.0.240.0040.00417.36
8.0.230.0000.00917.37
8.0.220.0000.00717.30
8.0.210.0000.00717.30
8.0.200.0030.00317.33
8.0.190.0040.00417.35
8.0.180.0050.00317.26
8.0.170.0060.00317.40
8.0.160.0040.00417.30
8.0.150.0040.00417.32
8.0.140.0100.00317.25
8.0.130.0060.00013.74
8.0.120.0000.00917.20
8.0.110.0040.00417.48
8.0.100.0040.00417.11
8.0.90.0040.00417.13
8.0.80.0070.01117.26
8.0.70.0050.00217.38
8.0.60.0030.00617.34
8.0.50.0040.00417.14
8.0.30.0110.00817.21
8.0.20.0090.00917.62
8.0.10.0000.00817.39
8.0.00.0100.01316.96
7.4.330.0000.00513.21
7.4.320.0070.00016.85
7.4.300.0070.00017.00
7.4.290.0040.00416.94
7.4.280.0000.01017.04
7.4.270.0070.00016.85
7.4.260.0000.00513.68
7.4.250.0040.00416.82
7.4.240.0050.00316.87
7.4.230.0030.00316.96
7.4.220.0070.01816.99
7.4.210.0070.00717.03
7.4.200.0050.00316.74
7.4.190.0040.00416.86
7.4.160.0140.00617.00
7.4.150.0040.01316.86
7.4.140.0130.01017.86
7.4.130.0090.01516.93
7.4.120.0090.00916.71
7.4.110.0070.01116.81
7.4.100.0130.00616.87
7.4.90.0160.00516.96
7.4.80.0130.00819.39
7.4.70.0110.00516.82
7.4.60.0130.01016.93
7.4.50.0060.00316.95
7.4.40.0100.00716.77
7.4.30.0030.01416.80
7.4.00.0070.00815.21
7.3.330.0030.00313.57
7.3.320.0040.00413.57
7.3.310.0070.00016.73
7.3.300.0030.00316.67
7.3.290.0040.01216.68
7.3.280.0060.01016.70
7.3.270.0060.01216.72
7.3.260.0060.01216.83
7.3.240.0120.00416.70
7.3.230.0080.00816.75
7.3.210.0060.01216.55
7.3.200.0070.01116.57
7.3.190.0140.00316.68
7.3.180.0060.00916.70
7.3.170.0200.00316.70
7.3.160.0090.00916.85
7.3.120.0050.01215.22
7.3.110.0040.01115.14
7.3.100.0000.01214.97
7.3.90.0030.00615.06
7.3.80.0040.00715.21
7.3.70.0160.00015.14
7.3.60.0070.00715.14
7.3.50.0060.00915.13
7.3.40.0080.00815.22
7.3.30.0120.00314.84
7.3.20.0140.00316.68
7.3.10.0060.00916.95
7.3.00.0070.01016.94
7.2.330.0080.01917.08
7.2.320.0060.01716.81
7.2.310.0090.00917.05
7.2.300.0080.01616.83
7.2.290.0080.01416.92
7.2.250.0000.01715.27
7.2.240.0120.00615.15
7.2.230.0030.01315.07
7.2.220.0110.00015.60
7.2.210.0000.01615.54
7.2.200.0030.01315.23
7.2.190.0070.00415.19
7.2.180.0060.00615.26
7.2.170.0090.00315.30
7.1.330.0080.00816.02
7.1.320.0090.00616.52
7.1.310.0040.01116.45
7.1.300.0070.00416.34
7.1.290.0000.01116.31
7.1.280.0060.01216.32
7.1.270.0080.01116.15
7.1.260.0030.01416.21
7.1.100.0220.00318.65
7.1.70.0080.00017.36
7.1.60.0090.01519.25
7.1.50.0080.01217.50
7.1.00.0000.04322.48
7.0.200.0000.00817.21
7.0.140.0030.07322.15
7.0.120.0100.06322.10
7.0.60.0000.08721.73
7.0.50.0000.04317.93
7.0.40.0130.07720.26
7.0.30.0500.08020.35
7.0.20.0300.08720.18
7.0.10.0070.06020.21
7.0.00.0130.05320.17
5.6.280.0030.07321.18
5.6.210.0100.08020.52
5.6.200.0130.07318.30
5.6.190.0000.08720.46
5.6.180.0270.08020.88
5.6.170.0230.04320.54
5.6.160.0000.04720.48
5.6.150.0070.08318.22
5.6.140.0030.05718.33
5.6.130.0100.03718.18
5.6.120.0170.07721.07
5.6.110.0070.04021.20
5.6.100.0030.04021.06
5.6.90.0000.04721.05
5.6.80.0030.08020.62
5.5.350.0330.05320.41
5.5.340.0130.07018.10
5.5.330.0170.08020.59
5.5.320.0270.03320.24
5.5.310.0270.07720.52
5.5.300.0030.05717.99
5.5.290.0030.06718.07
5.5.280.0100.05720.88
5.5.270.0100.08020.84
5.5.260.0070.08020.94
5.5.250.0030.04020.54
5.5.240.0000.03720.12
5.4.450.0070.06319.33
5.4.440.0030.06019.15
5.4.430.0030.08319.40
5.4.420.0030.06319.43
5.4.410.0070.07019.33
5.4.400.0030.04319.05
5.4.390.0130.07318.91
5.4.380.0100.03318.78
5.4.370.0030.07719.14
5.4.360.0100.06718.79
5.4.350.0030.04319.08
5.4.340.0200.04319.09
5.4.320.0070.07718.79
5.4.310.0130.03319.08
5.4.300.0100.03019.17
5.4.290.0000.04719.07
5.4.280.0100.03719.14
5.4.270.0100.03718.79
5.4.260.0100.07018.79
5.4.250.0030.06719.00
5.4.240.0100.04719.11
5.4.230.0070.07019.09
5.4.220.0100.06018.91
5.4.210.0070.04719.17
5.4.200.0130.07318.78
5.4.190.0070.04018.78
5.4.180.0100.08019.07
5.4.170.0070.04718.99
5.4.160.0030.06319.16
5.4.150.0070.05319.16
5.4.140.0170.05716.39
5.4.130.0030.04316.33
5.4.120.0100.08016.30
5.4.110.0030.07016.38
5.4.100.0070.06316.46
5.4.90.0030.04016.45
5.4.80.0100.07016.44
5.4.70.0030.07016.23
5.4.60.0030.08016.21
5.4.50.0030.05716.38
5.4.40.0100.06716.23
5.4.30.0070.05316.36
5.4.20.0000.06016.38
5.4.10.0000.04316.59
5.4.00.0030.07315.93
5.3.290.0030.07714.61
5.3.280.0030.08314.56
5.3.270.0130.07714.42
5.3.260.0130.07014.54
5.3.250.0100.06314.50
5.3.240.0030.04314.56
5.3.230.0130.04314.54
5.3.220.0130.04014.65
5.3.210.0030.08014.49
5.3.200.0130.03314.51
5.3.190.0030.04014.44
5.3.180.0130.04014.58
5.3.170.0070.06714.44
5.3.160.0100.07714.55
5.3.150.0230.05714.54
5.3.140.0030.07014.38
5.3.130.0030.04314.50
5.3.120.0030.05314.54
5.3.110.0070.04314.47
5.3.100.0170.05713.98
5.3.90.0100.04013.90
5.3.80.0070.05013.86
5.3.70.0070.07013.84
5.3.60.0030.04013.94
5.3.50.0000.07013.90
5.3.40.0070.07713.92
5.3.30.0100.06713.70
5.3.20.0130.06013.63
5.3.10.0130.06713.45
5.3.00.0100.07013.46
5.2.170.0100.04311.13
5.2.160.0000.03710.97
5.2.150.0100.04711.00
5.2.140.0000.05011.09
5.2.130.0130.04011.07
5.2.120.0030.03011.26
5.2.110.0070.06311.26
5.2.100.0230.04310.96
5.2.90.0030.03011.05
5.2.80.0070.06010.98
5.2.70.0000.03711.25
5.2.60.0070.04010.93
5.2.50.0100.03010.84
5.2.40.0100.05310.94
5.2.30.0070.05310.96
5.2.20.0100.03011.04
5.2.10.0070.05710.74
5.2.00.0100.06010.69
5.1.60.0070.0509.97
5.1.50.0000.0539.99
5.1.40.0070.0439.88
5.1.30.0070.05310.48
5.1.20.0070.05310.36
5.1.10.0030.04010.07
5.1.00.0030.05710.06
5.0.50.0030.0478.77
5.0.40.0100.0308.77
5.0.30.0070.0608.77
5.0.20.0030.0438.77
5.0.10.0070.0238.77
5.0.00.0030.0308.77
4.4.90.0030.0278.77
4.4.80.0000.0338.77
4.4.70.0000.0338.77
4.4.60.0000.0378.77
4.4.50.0000.0278.77
4.4.40.0000.0408.77
4.4.30.0030.0208.77
4.4.20.0030.0378.77
4.4.10.0000.0278.77
4.4.00.0030.0478.77
4.3.110.0030.0208.77
4.3.100.0030.0308.77
4.3.90.0030.0178.77
4.3.80.0000.0278.77
4.3.70.0070.0108.77
4.3.60.0030.0138.77
4.3.50.0000.0278.77
4.3.40.0000.0238.77
4.3.30.0000.0178.77
4.3.20.0030.0138.77
4.3.10.0000.0178.77
4.3.00.0000.0138.77

preferences:
45.81 ms | 401 KiB | 5 Q