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)
8.3.60.0160.00316.88
8.3.50.0140.00517.54
8.3.40.0080.00819.21
8.3.30.0040.01119.01
8.3.20.0040.00418.88
8.3.10.0060.00318.98
8.3.00.0090.00019.52
8.2.180.0070.01125.92
8.2.170.0040.01219.33
8.2.160.0140.00022.96
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0030.00626.16
8.2.120.0040.00420.14
8.2.110.0030.00721.29
8.2.100.0040.00818.28
8.2.90.0080.00018.52
8.2.80.0040.00418.18
8.2.70.0000.00818.28
8.2.60.0130.00018.47
8.2.50.0050.00518.25
8.2.40.0030.00521.34
8.2.30.0040.00419.72
8.2.20.0060.00318.22
8.2.10.0040.00420.05
8.2.00.0000.00718.24
8.1.280.0160.00425.92
8.1.270.0050.00323.99
8.1.260.0040.00426.35
8.1.250.0050.00328.09
8.1.240.0100.00023.89
8.1.230.0000.01121.16
8.1.220.0050.00317.91
8.1.210.0000.00819.35
8.1.200.0090.00017.73
8.1.190.0090.00017.63
8.1.180.0000.00818.10
8.1.170.0060.00318.92
8.1.160.0000.00819.29
8.1.150.0040.00419.09
8.1.140.0100.00017.94
8.1.130.0040.00419.57
8.1.120.0000.00917.87
8.1.110.0030.00617.87
8.1.100.0050.00217.92
8.1.90.0000.00817.86
8.1.80.0040.00417.86
8.1.70.0040.00417.87
8.1.60.0040.00718.05
8.1.50.0080.00017.71
8.1.40.0030.00517.98
8.1.30.0090.00018.00
8.1.20.0050.00318.00
8.1.10.0080.00017.88
8.1.00.0040.00417.95
8.0.300.0000.00820.21
8.0.290.0080.00017.13
8.0.280.0040.00418.71
8.0.270.0070.00017.54
8.0.260.0000.00817.14
8.0.250.0000.00817.29
8.0.240.0090.00017.38
8.0.230.0060.00317.38
8.0.220.0110.00017.31
8.0.210.0050.00317.30
8.0.200.0060.00017.38
8.0.190.0040.00417.39
8.0.180.0030.00917.38
8.0.170.0000.00817.33
8.0.160.0050.00317.23
8.0.150.0060.00317.14
8.0.140.0040.00817.23
8.0.130.0000.00613.79
8.0.120.0030.00717.13
8.0.110.0030.00717.39
8.0.100.0000.00717.36
8.0.90.0040.00417.29
8.0.80.0130.00317.25
8.0.70.0040.00417.41
8.0.60.0000.00817.09
8.0.50.0000.00817.29
8.0.30.0120.00617.50
8.0.20.0090.01117.36
8.0.10.0030.00417.32
8.0.00.0100.01217.01
7.4.330.0000.00513.40
7.4.320.0030.00316.87
7.4.300.0040.00416.97
7.4.290.0000.00716.87
7.4.280.0030.00616.88
7.4.270.0030.00317.00
7.4.260.0030.00313.56
7.4.250.0080.00016.82
7.4.240.0000.00716.80
7.4.230.0030.00316.77
7.4.220.0180.00016.91
7.4.210.0110.00316.94
7.4.200.0000.00717.06
7.4.190.0040.00416.83
7.4.160.0080.00816.93
7.4.150.0120.00916.81
7.4.140.0230.00317.86
7.4.130.0120.00816.96
7.4.120.0080.01516.66
7.4.110.0090.01216.72
7.4.100.0100.01016.88
7.4.90.0130.00416.72
7.4.80.0100.01319.39
7.4.70.0120.00416.74
7.4.60.0030.01416.80
7.4.50.0050.00016.77
7.4.40.0070.00416.81
7.4.30.0130.00317.09
7.4.00.0060.00615.15
7.3.330.0030.00613.46
7.3.320.0000.00613.59
7.3.310.0040.00216.51
7.3.300.0030.00316.71
7.3.290.0090.00916.71
7.3.280.0000.01716.61
7.3.270.0170.00716.49
7.3.260.0070.01016.50
7.3.240.0100.00816.71
7.3.230.0230.00016.72
7.3.210.0050.01516.68
7.3.200.0120.01216.87
7.3.190.0060.01316.60
7.3.180.0090.00616.64
7.3.170.0130.00316.79
7.3.160.0060.01316.70
7.3.120.0080.00814.99
7.3.10.0030.01117.03
7.3.00.0090.00517.04
7.2.330.0110.01516.81
7.2.320.0110.00616.71
7.2.310.0090.01316.86
7.2.300.0130.00316.94
7.2.290.0130.00316.79
7.2.130.0110.00317.10
7.2.120.0090.00517.23
7.2.110.0130.00916.96
7.2.100.0110.00817.13
7.2.90.0050.01217.08
7.2.80.0130.00817.19
7.2.70.0100.01017.08
7.2.60.0220.00717.26
7.2.50.0100.01217.10
7.2.40.0110.00817.27
7.2.30.0090.00817.13
7.2.20.0150.00917.18
7.2.10.0100.01017.19
7.2.00.0050.01018.04
7.1.250.0040.00716.35
7.1.100.0000.01018.78
7.1.70.0040.00417.58
7.1.60.0090.01619.21
7.1.50.0180.00717.22
7.1.00.0070.05322.38
7.0.200.0040.00417.07
7.0.140.0030.07722.30
7.0.120.0000.07322.21
7.0.60.0000.04721.93
7.0.50.0070.07317.92
7.0.40.0100.07720.26
7.0.30.0370.07020.05
7.0.20.0200.04320.39
7.0.10.0070.04720.24
7.0.00.0070.09020.05
5.6.280.0030.07020.93
5.6.210.0030.08320.82
5.6.200.0070.03718.27
5.6.190.0170.07720.38
5.6.180.0200.05720.54
5.6.170.0230.08720.65
5.6.160.0100.08720.57
5.6.150.0070.04718.30
5.6.140.0100.08018.30
5.6.130.0030.04318.32
5.6.120.0100.04021.18
5.6.110.0100.07321.07
5.6.100.0130.08021.10
5.6.90.0000.04321.03
5.6.80.0070.07320.51
5.5.350.0000.05020.54
5.5.340.0100.07318.09
5.5.330.0000.04720.52
5.5.320.0230.05020.39
5.5.310.0230.07720.53
5.5.300.0200.03318.03
5.5.290.0100.07718.00
5.5.280.0100.08020.76
5.5.270.0130.08320.94
5.5.260.0100.08020.84
5.5.250.0130.07720.85
5.5.240.0070.08320.23
5.4.450.0100.07319.12
5.4.440.0070.07319.24
5.4.430.0070.04719.40
5.4.420.0130.06319.46
5.4.410.0030.06019.00
5.4.400.0000.04319.18
5.4.390.0100.07718.92
5.4.380.0070.07719.14
5.4.370.0100.03319.09
5.4.360.0030.04019.16
5.4.350.0030.05018.79
5.4.340.0070.04019.18
5.4.320.0130.06719.18
5.4.310.0130.06718.81
5.4.300.0000.04719.07
5.4.290.0070.04319.08
5.4.280.0100.07019.00
5.4.270.0070.07719.17
5.4.260.0070.03719.08
5.4.250.0030.06719.13
5.4.240.0070.05318.78
5.4.230.0070.05719.07
5.4.220.0130.07318.91
5.4.210.0030.08018.78
5.4.200.0000.04719.13
5.4.190.0070.04019.07
5.4.180.0070.04019.07
5.4.170.0100.05019.01
5.4.160.0070.08018.79
5.4.150.0100.06318.78
5.4.140.0030.06316.30
5.4.130.0070.04016.33
5.4.120.0070.06016.21
5.4.110.0070.07316.46
5.4.100.0070.05016.32
5.4.90.0070.07316.65
5.4.80.0100.07316.43
5.4.70.0130.03716.32
5.4.60.0000.06716.30
5.4.50.0070.07016.21
5.4.40.0070.04016.21
5.4.30.0030.05716.34
5.4.20.0100.03016.58
5.4.10.0030.06716.21
5.4.00.0000.06015.66
5.3.290.0070.07714.64
5.3.280.0030.04314.56
5.3.270.0070.08014.50
5.3.260.0070.07714.55
5.3.250.0130.05714.60
5.3.240.0070.03714.55
5.3.230.0100.03314.48
5.3.220.0130.06714.54
5.3.210.0070.07714.36
5.3.200.0070.07314.54
5.3.190.0030.07714.50
5.3.180.0100.04314.49
5.3.170.0230.03314.35
5.3.160.0130.03714.48
5.3.150.0100.05014.38
5.3.140.0100.04014.47
5.3.130.0000.06314.47
5.3.120.0030.04314.44
5.3.110.0100.04714.47
5.3.100.0130.03713.93
5.3.90.0030.04013.98
5.3.80.0070.04314.03
5.3.70.0070.03713.96
5.3.60.0070.07713.92
5.3.50.0030.04313.89
5.3.40.0100.04013.95
5.3.30.0030.08013.75
5.3.20.0070.04313.67
5.3.10.0070.07313.44
5.3.00.0030.05713.58
5.2.170.0070.04011.32
5.2.160.0070.06311.03
5.2.150.0070.03710.97
5.2.140.0030.06011.14
5.2.130.0030.03711.04
5.2.120.0100.05711.00
5.2.110.0030.03311.04
5.2.100.0070.06011.07
5.2.90.0030.06311.10
5.2.80.0000.04011.04
5.2.70.0030.04010.98
5.2.60.0130.05010.90
5.2.50.0030.04710.94
5.2.40.0030.06010.82
5.2.30.0000.03310.88
5.2.20.0000.03010.89
5.2.10.0030.04010.89
5.2.00.0000.05010.71
5.1.60.0000.0379.99
5.1.50.0070.0479.97
5.1.40.0000.0539.96
5.1.30.0100.02710.34
5.1.20.0070.05010.34
5.1.10.0000.0609.98
5.1.00.0070.03010.05
5.0.50.0030.0338.71
5.0.40.0070.0478.46
5.0.30.0030.0438.23
5.0.20.0070.0308.21
5.0.10.0000.0408.18
5.0.00.0070.0708.30
4.4.90.0030.0178.11
4.4.80.0070.0278.11
4.4.70.0000.0178.11
4.4.60.0030.0138.11
4.4.50.0070.0308.11
4.4.40.0000.0538.11
4.4.30.0000.0208.11
4.4.20.0000.0408.11
4.4.10.0000.0178.11
4.4.00.0030.0308.11
4.3.110.0000.0278.11
4.3.100.0000.0378.11
4.3.90.0000.0378.11
4.3.80.0000.0578.11
4.3.70.0000.0238.11
4.3.60.0070.0178.11
4.3.50.0030.0178.11
4.3.40.0030.0278.11
4.3.30.0000.0178.11
4.3.20.0030.0308.11
4.3.10.0030.0138.11
4.3.00.0030.0178.11

preferences:
68.49 ms | 401 KiB | 5 Q