3v4l.org

run code in 300+ PHP versions simultaneously
<?php $tokens = [ ':rr'=>5, ':tipo'=>'\[A-Z]' ]; $regex = '/#([a-zA-z0-9_]+)(:[a-zA-Z]+)/'; $pattern = '#nombre:tipo'; echo preg_replace($regex, "(?<$1>{$tokens[${2}]})", $pattern); /*echo preg_replace_callback($regex, function (array $matches) { $tokens = [ ':rr'=>5, ':tipo'=>'\[A-Z]' ]; echo "(?<{$matches[1]}>{$tokens[$matches[2]]})"; }, $pattern);*/

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)
8.3.60.0040.01518.55
8.3.50.0100.01021.14
8.3.40.0070.00718.95
8.3.30.0100.00320.17
8.3.20.0080.00020.21
8.3.10.0050.00521.04
8.3.00.0000.00822.34
8.2.180.0110.00716.75
8.2.170.0110.01122.96
8.2.160.0160.00022.38
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00421.12
8.2.110.0090.00019.28
8.2.100.0080.00318.16
8.2.90.0040.00419.26
8.2.80.0000.00818.05
8.2.70.0050.00317.75
8.2.60.0070.00317.93
8.2.50.0040.00418.07
8.2.40.0000.00818.21
8.2.30.0000.00719.53
8.2.20.0040.00417.96
8.2.10.0000.00717.91
8.2.00.0050.00317.83
8.1.280.0070.00725.92
8.1.270.0060.00323.99
8.1.260.0050.00326.35
8.1.250.0070.00028.09
8.1.240.0110.00022.48
8.1.230.0000.01221.03
8.1.220.0040.00418.77
8.1.210.0050.00818.80
8.1.200.0040.00417.35
8.1.190.0080.00017.41
8.1.180.0060.00618.10
8.1.170.0030.00618.66
8.1.160.0000.00718.72
8.1.150.0040.00418.68
8.1.140.0000.00717.47
8.1.130.0000.00717.44
8.1.120.0040.00417.57
8.1.110.0070.00017.43
8.1.100.0000.00717.43
8.1.90.0030.00517.54
8.1.80.0040.00417.53
8.1.70.0080.00017.43
8.1.60.0030.00617.67
8.1.50.0040.00417.64
8.1.40.0000.00817.63
8.1.30.0020.00517.77
8.1.20.0040.00417.64
8.1.10.0020.00517.66
8.1.00.0050.00317.70
8.0.300.0030.00519.85
8.0.290.0080.00017.02
8.0.280.0040.00418.53
8.0.270.0030.00317.18
8.0.260.0050.00217.07
8.0.250.0030.00317.20
8.0.240.0040.00417.21
8.0.230.0000.00717.16
8.0.220.0030.00417.09
8.0.210.0000.00817.14
8.0.200.0030.00317.19
8.0.190.0000.00717.04
8.0.180.0000.00717.02
8.0.170.0040.00417.07
8.0.160.0040.00417.08
8.0.150.0040.00416.93
8.0.140.0030.00717.03
8.0.130.0050.00013.59
8.0.120.0070.00017.07
8.0.110.0030.00517.01
8.0.100.0030.00617.02
8.0.90.0020.00517.05
8.0.80.0090.01217.09
8.0.70.0040.00416.95
8.0.60.0040.00417.13
8.0.50.0000.00717.16
8.0.30.0080.01017.28
8.0.20.0130.00617.44
8.0.10.0040.00417.04
8.0.00.0130.00616.84
7.4.330.0000.00616.94
7.4.320.0000.00716.66
7.4.300.0060.00016.69
7.4.290.0070.00016.70
7.4.280.0030.00316.57
7.4.270.0000.00716.74
7.4.260.0000.00513.41
7.4.250.0070.00016.52
7.4.240.0040.00416.72
7.4.230.0030.00316.59
7.4.220.0080.01316.68
7.4.210.0090.00516.73
7.4.200.0030.00316.63
7.4.190.0000.00716.72
7.4.160.0130.00416.73
7.4.150.0150.00917.40
7.4.140.0080.00917.86
7.4.130.0070.01016.76
7.4.120.0130.00516.75
7.4.110.0100.00716.55
7.4.100.0080.00816.47
7.4.90.0130.00716.82
7.4.80.0110.00719.39
7.4.70.0030.01216.70
7.4.60.0070.01016.75
7.4.50.0060.00316.86
7.4.40.0030.01322.77
7.4.30.0120.00416.70
7.4.00.0030.01315.34
7.3.330.0000.00613.40
7.3.320.0000.00513.27
7.3.310.0080.00016.55
7.3.300.0000.00716.36
7.3.290.0100.00416.38
7.3.280.0050.01316.40
7.3.270.0070.01117.40
7.3.260.0100.00918.24
7.3.250.0110.01116.48
7.3.240.0160.00716.87
7.3.230.0100.00616.73
7.3.210.0120.00816.52
7.3.200.0060.01616.46
7.3.190.0120.00516.30
7.3.180.0120.00816.52
7.3.170.0110.00416.57
7.3.160.0060.01016.50
7.3.120.0140.00414.95
7.2.330.0090.00916.56
7.2.320.0060.01616.66
7.2.310.0060.01316.80
7.2.300.0030.01316.83
7.2.290.0140.00516.72
7.2.00.0100.00719.41
7.1.100.0000.01818.53
7.1.70.0120.01216.91
7.1.60.0110.01119.17
7.1.50.0030.01017.28
7.1.00.0000.07722.42
7.0.200.0000.01516.87
7.0.140.0000.08021.93
7.0.100.0500.07719.98
7.0.90.0000.09020.11
7.0.80.0200.08019.89
7.0.70.0300.07719.91
7.0.60.0370.05019.91
7.0.50.0470.07720.36
7.0.40.0000.05020.04
7.0.30.0070.05719.95
7.0.20.0100.07320.16
7.0.10.0130.08020.14
7.0.00.0070.04020.09
5.6.280.0000.07720.90
5.6.250.0100.08020.63
5.6.240.0130.06720.66
5.6.230.0030.04320.48
5.6.220.0100.07720.66
5.6.210.0100.08720.59
5.6.200.0170.07321.03
5.6.190.0070.08321.09
5.6.180.0200.07720.94
5.6.170.0130.08321.07
5.6.160.0130.08020.95
5.6.150.0170.07320.97
5.6.140.0230.07321.16
5.6.130.0100.08021.08
5.6.120.0070.08721.02
5.6.110.0200.07321.00
5.6.100.0070.08321.07
5.6.90.0230.07021.05
5.6.80.0100.07720.30
5.6.70.0200.06320.39
5.6.60.0030.05020.37
5.6.50.0000.05020.46
5.6.40.0130.07720.53
5.6.30.0070.04320.39
5.6.20.0070.08320.28
5.6.10.0030.08320.37
5.6.00.0030.08320.40
5.5.380.0030.09020.51
5.5.370.0100.07320.37
5.5.360.0030.05020.34
5.5.350.0130.07320.32
5.5.340.0070.08020.88
5.5.330.0070.07720.92
5.5.320.0030.08720.91
5.5.310.0070.08320.77
5.5.300.0170.04020.87
5.5.290.0070.08320.88
5.5.280.0130.05020.87
5.5.270.0070.08320.79
5.5.260.0070.07320.75
5.5.250.0070.08320.70
5.5.240.0130.07320.18
5.5.230.0070.07320.17
5.5.220.0070.08020.26
5.5.210.0130.06020.20
5.5.200.0070.07020.28
5.5.190.0100.07320.08
5.5.180.0170.07320.17
5.5.160.0070.04320.28
5.5.150.0100.05320.07
5.5.140.0070.06020.07
5.5.130.0030.06320.24
5.5.120.0100.07720.18
5.5.110.0100.08020.17
5.5.100.0130.07320.16
5.5.90.0070.04320.16
5.5.80.0070.04320.11
5.5.70.0100.07720.07
5.5.60.0100.05720.05
5.5.50.0100.07719.95
5.5.40.0100.07320.13
5.5.30.0100.07720.05
5.5.20.0130.07020.04
5.5.10.0100.07020.04
5.5.00.0100.07319.95
5.4.450.0100.04319.45
5.4.440.0100.06319.36
5.4.430.0100.06019.29
5.4.420.0100.04719.42
5.4.410.0130.06719.16
5.4.400.0130.03719.10
5.4.390.0270.03319.12
5.4.380.0130.07019.06
5.4.370.0170.07318.90
5.4.360.0030.08018.79
5.4.350.0070.05019.09
5.4.340.0170.07719.14
5.4.320.0030.08318.95
5.4.310.0070.07018.90
5.4.300.0070.07718.78
5.4.290.0130.06318.91
5.4.280.0100.07719.09
5.4.270.0070.04018.98
5.4.260.0070.07318.79
5.4.250.0170.06318.80
5.4.240.0030.05019.13
5.4.230.0070.04019.05
5.4.220.0070.08319.09
5.4.210.0170.07018.97
5.4.200.0030.04719.10
5.4.190.0070.07718.80
5.4.180.0100.07319.04
5.4.170.0100.07318.83
5.4.160.0030.08018.96
5.4.150.0100.07019.07
5.4.140.0030.04716.02
5.4.130.0030.07016.33
5.4.120.0070.07316.34
5.4.110.0130.07016.21
5.4.100.0170.06716.22
5.4.90.0030.07716.48
5.4.80.0030.08316.24
5.4.70.0070.06316.33
5.4.60.0070.07316.23
5.4.50.0130.06716.20
5.4.40.0070.07316.23
5.4.30.0030.07716.35
5.4.20.0070.07016.41
5.4.10.0130.05716.38
5.4.00.0070.07315.77
5.3.290.0030.04714.63
5.3.280.0030.08014.58
5.3.270.0030.04314.58
5.3.260.0130.07014.59
5.3.250.0070.06014.60
5.3.240.0130.06014.59
5.3.230.0030.04314.55
5.3.220.0100.07314.48
5.3.210.0100.07014.53
5.3.200.0070.07314.52
5.3.190.0200.06714.52
5.3.180.0100.07314.43
5.3.170.0100.07314.42
5.3.160.0100.07314.56
5.3.150.0030.07014.55
5.3.140.0100.05014.44
5.3.130.0000.05014.52
5.3.120.0070.08314.55
5.3.110.0100.07314.50
5.3.100.0130.04713.89
5.3.90.0030.07713.97
5.3.80.0030.07313.99
5.3.70.0100.07714.02
5.3.60.0130.06713.96
5.3.50.0100.07013.80
5.3.40.0030.04013.93
5.3.30.0130.05713.89
5.3.20.0030.04313.68
5.3.10.0030.04313.43
5.3.00.0100.05313.57
5.2.170.0100.05711.17
5.2.160.0000.05711.12
5.2.150.0100.05011.20
5.2.140.0000.04311.12
5.2.130.0100.06311.13
5.2.120.0070.04011.17
5.2.110.0030.06310.96
5.2.100.0070.05711.09
5.2.90.0000.06311.11
5.2.80.0130.05010.94
5.2.70.0000.06311.09
5.2.60.0030.04310.96
5.2.50.0000.04311.00
5.2.40.0030.03310.85
5.2.30.0030.05710.96
5.2.20.0070.06010.95
5.2.10.0070.04710.77
5.2.00.0030.02710.63
5.1.60.0030.02710.04
5.1.50.0200.0379.97
5.1.40.0070.0339.97
5.1.30.0000.05310.41
5.1.20.0100.05010.42
5.1.10.0070.04710.09
5.1.00.0030.04010.07
5.0.50.0000.0408.57
5.0.40.0000.0478.39
5.0.30.0070.0538.22
5.0.20.0100.0378.27
5.0.10.0000.0438.25
5.0.00.0000.0408.25
4.4.90.0030.0207.96
4.4.80.0070.0307.96
4.4.70.0000.0337.96
4.4.60.0000.0307.96
4.4.50.0030.0337.96
4.4.40.0000.0307.96
4.4.30.0000.0377.96
4.4.20.0000.0237.96
4.4.10.0030.0337.96
4.4.00.0030.0477.96
4.3.110.0030.0207.96
4.3.100.0000.0207.96
4.3.90.0070.0277.96
4.3.80.0000.0537.96
4.3.70.0030.0177.96
4.3.60.0030.0237.96
4.3.50.0030.0277.96
4.3.40.0030.0507.96
4.3.30.0000.0307.96
4.3.20.0000.0337.96
4.3.10.0000.0337.96
4.3.00.0030.0337.96

preferences:
40.74 ms | 401 KiB | 5 Q