3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = "lorem ipsum <foo=42> dolor sit <bar=[17]> amet consectepture <foo=[37]> adipisicing elit <bar=19> sed do eiusmod"; $re = '/(?J)<%{name}=(?|(?<value>\\d+)|\\[(?<value>\\d+)\\])>/'; foreach (array("foo", "bar") as $name) { echo $name, ": "; if (false !== preg_match(str_replace("%{name}", $name, $re), $string, $m)) { var_dump($m['value']); } else { echo "<FALSE>\n"; } }

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)
8.3.40.0070.01018.96
8.3.30.0100.00319.04
8.3.20.0070.00020.34
8.3.10.0040.00423.65
8.3.00.0080.00019.47
8.2.170.0100.01022.96
8.2.160.0140.00320.35
8.2.150.0090.00624.18
8.2.140.0180.00024.66
8.2.130.0000.00826.16
8.2.120.0040.00422.39
8.2.110.0080.00022.11
8.2.100.0070.00418.03
8.2.90.0040.00419.09
8.2.80.0040.00418.05
8.2.70.0000.00817.75
8.2.60.0120.00017.79
8.2.50.0060.00318.07
8.2.40.0040.00420.32
8.2.30.0000.00819.91
8.2.20.0000.00817.77
8.2.10.0050.00218.05
8.2.00.0050.00517.89
8.1.270.0000.00923.96
8.1.260.0040.00426.35
8.1.250.0060.00328.09
8.1.240.0030.00623.98
8.1.230.0040.00819.09
8.1.220.0030.00517.74
8.1.210.0040.00418.77
8.1.200.0030.00617.35
8.1.190.0000.00817.23
8.1.180.0060.00318.91
8.1.170.0060.00318.64
8.1.160.0050.00321.98
8.1.150.0090.00018.79
8.1.140.0060.00317.55
8.1.130.0030.00317.89
8.1.120.0040.00417.55
8.1.110.0000.00817.46
8.1.100.0060.00317.49
8.1.90.0060.00317.49
8.1.80.0030.00617.61
8.1.70.0040.00417.53
8.1.60.0030.00517.66
8.1.50.0030.00617.57
8.1.40.0090.00017.69
8.1.30.0030.00617.58
8.1.20.0040.00417.74
8.1.10.0040.00417.66
8.1.00.0080.00017.55
8.0.300.0050.00220.80
8.0.290.0040.00417.05
8.0.280.0000.00718.47
8.0.270.0040.00417.28
8.0.260.0070.00017.30
8.0.250.0070.00017.13
8.0.240.0030.00317.10
8.0.230.0070.00016.93
8.0.220.0030.00316.97
8.0.210.0000.00716.88
8.0.200.0000.00616.93
8.0.190.0000.00716.93
8.0.180.0050.00316.88
8.0.170.0070.00016.98
8.0.160.0050.00317.05
8.0.150.0000.00816.91
8.0.140.0050.00216.82
8.0.130.0070.00013.45
8.0.120.0040.00416.83
8.0.110.0040.00417.01
8.0.100.0030.00616.80
8.0.90.0040.00416.95
8.0.80.0100.00716.87
8.0.70.0030.00616.88
8.0.60.0040.00417.02
8.0.50.0000.00716.94
8.0.30.0120.00917.09
8.0.20.0080.01117.40
8.0.10.0040.00417.11
8.0.00.0120.00917.09
7.4.330.0050.00015.07
7.4.320.0000.00716.79
7.4.300.0040.00416.71
7.4.290.0000.00716.63
7.4.280.0000.00716.61
7.4.270.0050.00316.79
7.4.260.0000.00716.83
7.4.250.0060.00616.70
7.4.240.0040.00316.77
7.4.230.0030.00316.61
7.4.220.0040.01316.69
7.4.210.0070.00916.75
7.4.200.0070.00016.75
7.4.190.0040.00416.95
7.4.160.0070.01016.63
7.4.150.0110.00717.40
7.4.140.0100.00817.86
7.4.130.0030.01416.79
7.4.120.0050.01316.75
7.4.110.0070.01016.63
7.4.100.0110.00716.63
7.4.90.0100.00716.59
7.4.80.0090.01219.39
7.4.70.0070.01716.85
7.4.60.0030.01316.73
7.4.50.0030.00516.71
7.4.40.0140.00322.77
7.4.30.0100.00716.69
7.4.00.0030.01214.91
7.3.330.0030.00313.38
7.3.320.0020.00313.21
7.3.310.0030.00316.35
7.3.300.0000.00716.38
7.3.290.0130.00016.36
7.3.280.0060.00916.43
7.3.270.0130.00317.40
7.3.260.0090.00916.46
7.3.250.0080.01016.63
7.3.240.0120.00916.58
7.3.230.0070.01016.52
7.3.210.0080.00816.78
7.3.200.0180.00419.39
7.3.190.0170.00016.86
7.3.180.0090.01116.55
7.3.170.0120.00316.69
7.3.160.0090.00616.53
7.3.120.0100.00615.29
7.2.330.0120.00616.82
7.2.320.0090.01316.88
7.2.310.0130.00416.78
7.2.300.0130.00616.94
7.2.290.0100.00916.73
7.2.110.0090.01216.91
7.1.70.0140.00317.18
7.1.60.0070.01419.46
7.1.50.0040.00716.83
7.1.00.0030.07722.45
7.0.200.0030.00517.00
7.0.140.0000.07322.13
7.0.60.0070.03720.00
7.0.50.0030.08717.93
7.0.40.0130.07320.22
7.0.30.0130.05720.23
7.0.20.0330.07720.21
7.0.10.0030.05320.10
7.0.00.0100.08020.01
5.6.280.0100.06720.81
5.6.210.0000.09020.63
5.6.200.0130.06018.21
5.6.190.0070.04020.77
5.6.180.0270.07720.41
5.6.170.0300.05320.45
5.6.160.0030.05320.48
5.6.150.0170.07718.14
5.6.140.0030.04018.20
5.6.130.0100.07018.18
5.6.120.0070.04321.04
5.6.110.0070.08720.95
5.6.100.0070.04321.10
5.6.90.0170.06321.03
5.6.80.0200.06020.25
5.5.350.0070.08720.42
5.5.340.0030.08717.88
5.5.330.0130.07320.36
5.5.320.0000.04320.32
5.5.310.0230.08020.21
5.5.300.0070.06718.02
5.5.290.0100.08017.91
5.5.280.0000.05720.77
5.5.270.0130.07720.83
5.5.260.0170.05720.76
5.5.250.0100.08020.58
5.5.240.0200.07720.03
5.4.450.0170.07019.10
5.4.440.0800.04319.47
5.4.430.0570.05719.09
5.4.420.0630.00019.35
5.4.410.0100.05718.88
5.4.400.0200.05018.51
5.4.390.0300.04018.72
5.4.380.0170.05318.69
5.4.370.0270.06018.73
5.4.360.0330.03718.47
5.4.350.0030.04411.97
5.4.340.0140.04211.97
5.4.320.0060.03912.45
5.4.310.0060.03912.45
5.4.300.0090.03412.46
5.4.290.0110.07012.45
5.4.280.0100.03712.34
5.4.270.0080.05412.34
5.4.260.0050.04412.34
5.4.250.0040.04312.34
5.4.240.0140.06412.34
5.4.230.0080.05112.33
5.4.220.0060.05812.34
5.4.210.0050.06212.33
5.4.200.0090.06112.33
5.4.190.0110.04212.33
5.4.180.0090.04212.33
5.4.170.0110.05712.34
5.4.160.0090.04012.34
5.4.150.0100.05112.34
5.4.140.0090.04812.02
5.4.130.0080.03712.01
5.4.120.0060.04211.96
5.4.110.0090.03711.96
5.4.100.0070.03711.96
5.4.90.0100.03811.96
5.4.80.0060.03911.96
5.4.70.0060.03711.95
5.4.60.0080.03511.95
5.4.50.0050.03711.95
5.4.40.0060.03711.95
5.4.30.0060.04611.94
5.4.20.0070.04611.95
5.4.10.0070.03911.94
5.4.00.0050.04611.43
5.3.290.0090.03812.80
5.3.280.0070.04012.71
5.3.270.0080.04012.72
5.3.260.0070.04012.72
5.3.250.0070.03812.72
5.3.240.0070.03912.72
5.3.230.0080.04312.71
5.3.220.0070.03812.68
5.3.210.0040.04112.68
5.3.200.0080.03512.68
5.3.190.0060.03812.68
5.3.180.0110.03312.67
5.3.170.0080.03512.67
5.3.160.0120.03212.67
5.3.150.0110.04112.67
5.3.140.0150.06012.66
5.3.130.0150.05312.66
5.3.120.0130.07912.65
5.3.110.0070.05612.65
5.3.100.0090.05512.11
5.3.90.0110.05812.08
5.3.80.0120.06412.07
5.3.70.0110.04912.08
5.3.60.0080.04112.07
5.3.50.0080.06312.00
5.3.40.0150.06412.00
5.3.30.0070.03811.96
5.3.20.0060.03811.73
5.3.10.0040.05711.70
5.3.00.0180.05311.69
5.2.170.0070.0509.19
5.2.160.0030.0349.19
5.2.150.0050.0339.19
5.2.140.0050.0319.18
5.2.130.0040.0389.14
5.2.120.0080.0389.15
5.2.110.0120.0469.16
5.2.100.0040.0319.15
5.2.90.0060.0309.15
5.2.80.0060.0329.14
5.2.70.0070.0349.14
5.2.60.0070.0309.10
5.2.50.0080.0309.07
5.2.40.0050.0309.05
5.2.30.0030.0359.02
5.2.20.0090.0309.01
5.2.10.0070.0418.92
5.2.00.0100.0388.78
5.1.60.0060.0448.06
5.1.50.0120.0428.06
5.1.40.0030.0458.04
5.1.30.0050.0398.39
5.1.20.0100.0348.41
5.1.10.0050.0318.14
5.1.00.0080.0268.14
5.0.50.0060.0206.61
5.0.40.0010.0236.47
5.0.30.0050.0326.29
5.0.20.0070.0286.26
5.0.10.0040.0306.24
5.0.00.0020.0426.23
4.4.90.0010.0254.77
4.4.80.0060.0274.75
4.4.70.0030.0224.76
4.4.60.0060.0144.75
4.4.50.0050.0204.77
4.4.40.0040.0324.71
4.4.30.0160.0754.76
4.4.20.0050.0244.84
4.4.10.0070.0204.85
4.4.00.0040.0404.76
4.3.110.0060.0244.67
4.3.100.0040.0224.67
4.3.90.0050.0204.63
4.3.80.0040.0244.59
4.3.70.0020.0174.63
4.3.60.0000.0204.63
4.3.50.0040.0184.62
4.3.40.0060.0354.53
4.3.30.0070.0383.28
4.3.20.0070.0213.25
4.3.10.0040.0263.21
4.3.00.0100.0237.03

preferences:
38.19 ms | 400 KiB | 5 Q