3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = '/a/{bb}/{d{b}}/{as}df}/b{cb}/a{sdfas/dsgf}'; var_export( preg_match( '~(?:^|/){([^{}/]*)}(?:/|$)~', $string, $out ) ? $out : 'no match' );

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)
8.5.10.0100.00816.93
8.5.00.0170.00420.13
8.4.160.0120.01023.96
8.4.150.0020.00014.05
8.4.140.0110.01017.64
8.4.130.0040.00617.95
8.4.120.0090.01120.41
8.4.110.0100.01020.84
8.4.100.0110.00917.95
8.4.90.0120.00817.89
8.4.80.0040.00418.14
8.4.70.0100.01118.18
8.4.60.0100.00819.15
8.4.50.0110.00719.91
8.4.40.0060.01317.70
8.4.30.0190.00020.70
8.4.20.0070.01317.81
8.4.10.0060.00619.41
8.3.280.0100.01018.63
8.3.270.0170.00316.45
8.3.260.0100.00716.87
8.3.250.0120.00719.02
8.3.240.0110.00916.87
8.3.230.0080.01016.67
8.3.220.0120.00717.19
8.3.210.0130.00516.50
8.3.200.0060.00216.51
8.3.190.0080.01217.19
8.3.180.0130.00718.36
8.3.170.0090.01018.77
8.3.160.0070.00316.51
8.3.150.0130.00720.33
8.3.140.0100.00716.53
8.3.130.0110.00418.41
8.3.120.0030.00618.95
8.3.110.0100.01020.94
8.3.100.0030.00520.39
8.3.90.0040.01126.77
8.3.80.0060.00319.36
8.3.70.0100.01018.31
8.3.60.0120.00918.40
8.3.50.0130.00723.64
8.3.40.0140.00718.84
8.3.30.0070.00718.71
8.3.20.0040.00424.18
8.3.10.0040.00424.66
8.3.00.0060.00326.16
8.2.290.0100.00920.23
8.2.280.0050.00518.98
8.2.270.0030.01617.10
8.2.260.0100.00720.37
8.2.250.0080.00816.77
8.2.240.0050.00317.18
8.2.230.0040.00422.58
8.2.220.0050.00324.06
8.2.210.0060.00326.77
8.2.200.0040.00418.88
8.2.190.0120.00316.91
8.2.180.0090.00625.92
8.2.170.0170.00319.09
8.2.160.0070.01022.96
8.2.150.0080.00025.66
8.2.140.0040.00424.66
8.2.130.0050.00326.16
8.2.120.0080.00026.35
8.2.110.0090.00021.06
8.2.100.0070.00317.72
8.2.90.0000.00818.03
8.2.80.0000.00818.61
8.2.70.0030.00917.75
8.2.60.0080.00017.55
8.2.50.0030.00518.05
8.2.40.0040.00418.09
8.2.30.0000.00718.00
8.2.20.0040.00718.05
8.2.10.0000.00719.13
8.2.00.0080.00019.19
8.1.330.0090.01216.43
8.1.320.0110.00916.27
8.1.310.0120.00318.34
8.1.300.0080.00018.49
8.1.290.0060.00330.84
8.1.280.0150.00625.92
8.1.270.0040.00423.99
8.1.260.0030.00528.09
8.1.250.0080.00028.09
8.1.240.0080.00023.98
8.1.230.0080.00422.82
8.1.220.0080.00017.79
8.1.210.0040.00418.77
8.1.200.0040.00417.38
8.1.190.0040.00417.36
8.1.180.0030.00618.10
8.1.170.0000.00718.87
8.1.160.0040.00418.89
8.1.150.0040.00418.72
8.1.140.0040.00418.72
8.1.130.0050.00220.01
8.1.120.0030.00417.56
8.1.110.0000.00817.51
8.1.100.0030.00317.42
8.1.90.0000.00717.43
8.1.80.0020.00517.44
8.1.70.0030.00317.54
8.1.60.0060.00317.55
8.1.50.0030.00517.59
8.1.40.0080.00017.63
8.1.30.0000.00817.71
8.1.20.0080.00017.63
8.1.10.0000.00817.60
8.1.00.0080.00017.59
8.0.300.0040.00419.86
8.0.290.0080.00016.59
8.0.280.0040.00418.27
8.0.270.0030.00518.19
8.0.260.0070.00018.57
8.0.250.0050.00317.00
8.0.240.0030.00317.05
8.0.230.0000.00717.04
8.0.220.0030.00316.95
8.0.210.0030.00316.98
8.0.200.0000.00617.00
8.0.190.0000.00817.04
8.0.180.0040.00416.99
8.0.170.0000.00917.06
8.0.160.0040.00416.86
8.0.150.0000.00816.86
8.0.140.0000.00816.90
8.0.130.0060.00013.37
8.0.120.0040.00416.90
8.0.110.0050.00216.95
8.0.100.0070.00017.01
8.0.90.0030.00317.01
8.0.80.0080.00816.88
8.0.70.0050.00216.88
8.0.60.0070.00016.86
8.0.50.0040.00416.94
8.0.30.0030.02117.28
8.0.20.0140.00417.28
8.0.10.0070.00016.95
8.0.00.0060.01117.01
7.4.330.0050.00015.55
7.4.320.0030.00316.72
7.4.300.0030.00316.78
7.4.290.0000.00716.77
7.4.280.0040.00416.72
7.4.270.0000.00716.56
7.4.260.0030.00313.48
7.4.250.0030.00316.70
7.4.240.0030.00516.64
7.4.230.0040.00416.50
7.4.220.0020.00516.78
7.4.210.0080.00816.64
7.4.200.0080.00016.46
7.4.130.0170.00016.57
7.4.120.0040.01216.68
7.4.110.0060.01116.68
7.4.100.0130.00316.43
7.4.90.0080.01216.37
7.4.80.0080.01216.55
7.4.70.0090.01216.58
7.4.60.0140.00316.55
7.4.50.0100.00716.45
7.4.40.0070.01116.56
7.4.30.0150.00316.40
7.4.20.0040.01316.73
7.4.10.0110.00716.41
7.4.00.0130.00416.57
7.3.330.0040.00416.34
7.3.320.0000.00613.11
7.3.310.0070.00016.35
7.3.300.0030.00316.20
7.3.290.0110.00416.31
7.3.260.0120.01316.46
7.3.250.0060.01016.42
7.3.240.0140.00316.44
7.3.230.0060.00916.49
7.3.220.0090.00916.29
7.3.210.0140.00716.52
7.3.200.0150.00616.28
7.3.190.0140.00316.37
7.3.180.0120.00616.33
7.3.170.0140.00916.56
7.3.160.0130.00716.57
7.3.150.0120.00616.40
7.3.140.0110.00716.79
7.3.130.0110.00716.48
7.3.120.0120.00616.53
7.3.110.0060.01316.56
7.3.100.0150.00316.20
7.3.90.0090.00916.64
7.3.80.0200.00616.24
7.3.70.0070.01016.31
7.3.60.0220.00416.44
7.3.50.0110.01416.39
7.3.40.0100.01016.33
7.3.30.0090.01216.32
7.3.20.0150.00616.36
7.3.10.0140.00516.23
7.3.00.0140.00616.45

preferences:
35.01 ms | 403 KiB | 5 Q