3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = "product#[:id]#[:str]"; $regex = preg_replace("/\[:(\w+)\]/", "(?<$1>.+?)", $string); echo $regex;

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)
8.4.130.0140.00718.13
8.4.120.0150.00523.95
8.4.110.0150.00522.45
8.4.100.0070.00218.73
8.4.90.0150.00618.67
8.4.80.0130.00618.77
8.4.70.0110.00917.96
8.4.60.0210.00418.81
8.4.50.0140.00618.59
8.4.40.0080.00017.89
8.4.30.0100.01019.45
8.4.20.0030.00718.07
8.4.10.0100.01017.88
8.3.260.0050.00316.52
8.3.250.0110.00818.73
8.3.240.0110.00817.05
8.3.230.0110.00916.34
8.3.220.0140.00418.86
8.3.210.0080.00918.52
8.3.200.0090.00416.81
8.3.190.0050.00318.87
8.3.180.0100.01118.57
8.3.170.0130.00720.89
8.3.160.0070.01017.05
8.3.150.0080.00016.97
8.3.140.0040.01116.64
8.3.130.0040.00418.50
8.3.120.0090.00020.61
8.3.110.0120.00320.94
8.3.100.0090.00024.06
8.3.90.0160.00426.77
8.3.80.0030.00618.30
8.3.70.0120.00816.63
8.3.60.0130.00318.56
8.3.50.0140.00717.53
8.3.40.0150.00419.12
8.3.30.0120.00318.58
8.3.20.0030.00519.06
8.3.10.0040.00420.91
8.3.00.0040.00417.80
8.2.290.0040.00520.42
8.2.280.0050.00418.43
8.2.270.0000.00717.34
8.2.260.0160.00316.55
8.2.250.0090.00018.28
8.2.240.0060.00319.23
8.2.230.0000.00822.58
8.2.220.0060.00337.54
8.2.210.0100.01026.77
8.2.200.0090.00016.75
8.2.190.0100.00316.58
8.2.180.0100.00616.75
8.2.170.0090.00622.96
8.2.160.0100.00320.39
8.2.150.0080.00024.18
8.2.140.0000.00924.66
8.2.130.0070.00019.95
8.2.120.0040.00426.35
8.2.110.0060.00319.00
8.2.100.0090.00318.03
8.2.90.0080.00018.09
8.2.80.0080.00019.21
8.2.70.0080.00017.93
8.2.60.0000.00817.80
8.2.50.0000.00818.10
8.2.40.0050.00219.30
8.2.30.0030.00619.46
8.2.20.0070.00018.11
8.2.10.0000.00718.06
8.2.00.0000.00719.39
8.1.330.0120.00621.65
8.1.320.0070.00416.16
8.1.310.0040.01118.50
8.1.300.0030.00618.59
8.1.290.0030.00730.84
8.1.280.0110.00425.92
8.1.270.0080.00022.02
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0070.00323.96
8.1.230.0040.00820.96
8.1.220.0040.00417.77
8.1.210.0000.00819.04
8.1.200.0060.00317.36
8.1.190.0080.00017.36
8.1.180.0060.00318.10
8.1.170.0080.00018.58
8.1.160.0040.00418.98
8.1.150.0040.00418.82
8.1.140.0070.00017.57
8.1.130.0070.00019.00
8.1.120.0040.00417.58
8.1.110.0030.00317.45
8.1.100.0020.00517.54
8.1.90.0050.00217.53
8.1.80.0030.00517.52
8.1.70.0040.00417.48
8.1.60.0000.00817.73
8.1.50.0050.00317.49
8.1.40.0040.00417.44
8.1.30.0040.00417.77
8.1.20.0040.00417.76
8.1.10.0070.00017.58
8.1.00.0030.00517.49
8.0.300.0070.00019.95
8.0.290.0050.00316.75
8.0.280.0000.00718.38
8.0.270.0070.00016.93
8.0.260.0030.00317.32
8.0.250.0050.00317.09
8.0.240.0040.00417.00
8.0.230.0070.00016.92
8.0.220.0000.00716.97
8.0.210.0030.00316.95
8.0.200.0030.00317.08
8.0.190.0030.00516.97
8.0.180.0040.00417.06
8.0.170.0040.00716.95
8.0.160.0040.00416.87
8.0.150.0080.00016.87
8.0.140.0000.00716.84
8.0.130.0030.00313.42
8.0.120.0030.00716.97
8.0.110.0040.00416.82
8.0.100.0080.00016.85
8.0.90.0000.00716.86
8.0.80.0080.00817.00
8.0.70.0040.00417.02
8.0.60.0040.00416.97
8.0.50.0070.00016.93
8.0.30.0120.00717.23
8.0.20.0080.01217.45
8.0.10.0040.00416.99
8.0.00.0090.00916.96
7.4.330.0050.00015.55
7.4.320.0060.00016.55
7.4.300.0030.00316.73
7.4.290.0030.00316.54
7.4.280.0040.00416.79
7.4.270.0040.00416.65
7.4.260.0000.00716.73
7.4.250.0040.00416.70
7.4.240.0040.00416.66
7.4.230.0070.00016.59
7.4.220.0030.00616.75
7.4.210.0060.01016.70
7.4.200.0040.00416.52
7.4.160.0110.00516.60
7.4.140.0110.00917.86
7.4.130.0100.00716.67
7.4.120.0100.00916.70
7.4.110.0060.01216.48
7.4.100.0030.01316.38
7.4.90.0050.01116.56
7.4.80.0070.01019.39
7.4.70.0030.01316.56
7.4.60.0060.01016.64
7.4.50.0070.01116.46
7.4.40.0000.01716.71
7.4.00.0030.01415.09
7.3.330.0050.00013.04
7.3.320.0030.00313.25
7.3.310.0080.00016.21
7.3.300.0030.00316.25
7.3.290.0070.00016.38
7.3.280.0030.01216.32
7.3.260.0080.01116.60
7.3.240.0110.00716.56
7.3.230.0190.00316.61
7.3.210.0050.01816.39
7.3.200.0040.01216.59
7.3.190.0100.00616.41
7.3.180.0100.01016.54
7.3.170.0000.01616.42
7.3.160.0130.00516.64
7.3.120.0030.01314.96
7.3.110.0040.01114.86
7.3.100.0100.00615.14
7.3.90.0060.01214.94
7.3.80.0000.01615.07
7.3.70.0060.00914.73
7.3.60.0060.00614.84
7.3.50.0000.01014.94
7.3.40.0090.00614.93
7.3.30.0030.01014.86
7.3.20.0040.01516.90
7.3.10.0030.01016.80
7.3.00.0080.00416.95
7.2.330.0030.01516.73
7.2.320.0070.01016.79
7.2.310.0090.01416.64
7.2.300.0170.00816.72
7.2.290.0150.00916.72
7.2.240.0040.01115.07
7.2.230.0060.00914.85
7.2.220.0000.01315.06
7.2.210.0100.01015.21
7.2.200.0000.01715.27
7.2.190.0070.01015.15
7.2.180.0000.01715.04
7.2.170.0070.00715.27
7.2.160.0030.00915.36
7.2.150.0110.00617.00
7.2.140.0100.00616.83
7.2.130.0000.01317.05
7.2.120.0000.01416.71
7.2.110.0070.00716.70
7.2.100.0040.01516.93
7.2.90.0070.01017.00
7.2.80.0050.00816.89
7.2.70.0090.00616.84
7.2.60.2490.00715.72
7.2.50.1870.01015.82
7.2.40.0110.00816.02
7.2.30.0110.00716.34
7.2.20.4500.00516.05
7.2.10.3950.00816.32
7.2.00.3420.00916.21
7.1.330.0070.01015.73
7.1.320.0070.00316.05
7.1.310.0030.01216.02
7.1.300.0070.00715.91
7.1.290.0070.00715.66
7.1.280.0070.00715.79
7.1.270.0120.00316.00
7.1.260.0070.00716.13
7.1.250.0070.00716.01
7.1.200.0070.00716.09
7.1.170.0180.00314.08
7.1.160.0280.00817.09
7.1.150.0400.00717.15
7.1.140.8660.01317.19
7.1.130.7890.01217.21
7.1.120.5590.01017.01
7.1.110.4070.01116.48
7.1.100.0330.01116.43
7.1.90.0150.00716.46
7.1.80.0110.01116.56
7.1.70.0190.01015.51
7.1.60.0310.01133.20
7.1.51.7640.01533.25
7.1.40.7920.01632.80
7.1.30.0360.00932.86
7.1.20.0250.01633.02
7.1.10.0100.01114.72
7.1.00.0090.01215.01

preferences:
28.92 ms | 403 KiB | 5 Q