3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = 'wow ABC (R+R) : Weldone boy (My Love)'; //$variable = "ABC (R+R)"; $variable = "ABC \(R\+R\)"; echo $pattern = "/\b$variable(?!\S)/"; echo "\n"; echo preg_match($pattern, $string)? 'matched' : 'not matched'; echo "\n\n"; /* DIRECT FUNCTION */ echo preg_match("/\bABC \(R\+R\)(?!\S)/", 'wow ABC (R+R) : Weldone boy (My Love)')? 'matched' : 'not matched';

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)
8.4.120.0120.00720.59
8.4.110.0110.00718.88
8.4.100.0100.00917.89
8.4.90.0110.01020.45
8.4.80.0100.00920.97
8.4.70.0090.00617.71
8.4.60.0090.01118.79
8.4.50.0070.00919.92
8.4.40.0090.00017.94
8.4.30.0060.00318.68
8.4.20.0070.01119.98
8.4.10.0070.01417.63
8.3.250.0130.00618.79
8.3.240.0130.00616.73
8.3.230.0110.00916.69
8.3.220.0110.00718.80
8.3.210.0110.00516.57
8.3.200.0070.00216.56
8.3.190.0080.00817.17
8.3.180.0110.00716.53
8.3.170.0160.00317.26
8.3.160.0120.00618.43
8.3.150.0070.01120.61
8.3.140.0040.01419.11
8.3.130.0120.00016.64
8.3.120.0080.00318.98
8.3.110.0030.00620.94
8.3.100.0000.01024.06
8.3.90.0070.00726.77
8.3.80.0080.00316.63
8.3.70.0110.00416.63
8.3.60.0040.01118.56
8.3.50.0110.00318.11
8.3.40.0100.00321.78
8.3.30.0040.01118.83
8.3.20.0040.00424.18
8.3.10.0040.00424.66
8.3.00.0040.00426.16
8.2.290.0090.00917.29
8.2.280.0090.00618.68
8.2.270.0110.00717.20
8.2.260.0090.00918.55
8.2.250.0030.00616.66
8.2.240.0120.00317.25
8.2.230.0050.00522.58
8.2.220.0030.00637.54
8.2.210.0060.00326.77
8.2.200.0030.00616.50
8.2.190.0060.00916.75
8.2.180.0140.00725.92
8.2.170.0120.00319.08
8.2.160.0110.00422.96
8.2.150.0040.00425.66
8.2.140.0070.00024.66
8.2.130.0060.00326.16
8.2.120.0050.00321.27
8.2.110.0060.01219.20
8.2.100.0060.00817.75
8.2.90.0090.00017.88
8.2.80.0000.00918.85
8.2.70.0060.00317.88
8.2.60.0030.00517.90
8.2.50.0000.00918.07
8.2.40.0090.00018.10
8.2.30.0030.00619.93
8.2.20.0040.00418.07
8.2.10.0050.00319.25
8.2.00.0000.00819.24
8.1.330.0120.00716.13
8.1.320.0090.00617.98
8.1.310.0100.00016.79
8.1.300.0130.00317.75
8.1.290.0030.00630.84
8.1.280.0070.00725.92
8.1.270.0040.00423.99
8.1.260.0060.00326.35
8.1.250.0060.00328.09
8.1.240.0090.00023.71
8.1.230.0040.00817.83
8.1.220.0030.00617.78
8.1.210.0040.00418.77
8.1.200.0030.00617.48
8.1.190.0040.00417.22
8.1.180.0030.00518.10
8.1.170.0050.00318.41
8.1.160.0000.00718.84
8.1.150.0050.00218.68
8.1.140.0000.00921.95
8.1.130.0000.00817.40
8.1.120.0030.00517.46
8.1.110.0040.00417.43
8.1.100.0040.00417.59
8.1.90.0000.00817.56
8.1.80.0040.00417.54
8.1.70.0070.00017.54
8.1.60.0040.00417.57
8.1.50.0090.00017.60
8.1.40.0040.00417.51
8.1.30.0030.00617.65
8.1.20.0030.00517.62
8.1.10.0000.00817.70
8.1.00.0050.00317.63
8.0.300.0070.00018.93
8.0.290.0080.00016.88
8.0.280.0000.00718.33
8.0.270.0000.00718.19
8.0.260.0040.00416.84
8.0.250.0040.00417.07
8.0.240.0000.00717.02
8.0.230.0030.00317.07
8.0.220.0000.00716.98
8.0.210.0090.00017.05
8.0.200.0030.00317.11
8.0.190.0060.00316.96
8.0.180.0040.00417.03
8.0.170.0030.00617.04
8.0.160.0000.00916.99
8.0.150.0040.00417.01
8.0.140.0100.00016.90
8.0.130.0000.00713.47
8.0.120.0040.00416.89
8.0.110.0040.00416.89
8.0.100.0000.00716.85
8.0.90.0050.00317.02
8.0.80.0000.00816.91
8.0.70.0040.00417.02
8.0.60.0030.00516.99
8.0.50.0000.00716.86
8.0.30.0000.00816.82
8.0.20.0040.00417.11
8.0.10.0050.00316.97
8.0.00.0040.00417.13
7.4.330.0000.00615.55
7.4.320.0040.00416.57
7.4.300.0000.00816.63
7.4.290.0000.00716.49
7.4.280.0000.00716.65
7.4.270.0000.00816.77
7.4.260.0030.00513.44
7.4.250.0030.00316.51
7.4.240.0070.00016.73
7.4.230.0040.00416.81
7.4.220.0070.00016.76
7.4.210.0000.00816.74
7.4.200.0000.00716.56
7.4.190.0070.00016.51
7.4.180.0040.00416.90
7.4.160.0020.00516.68
7.4.150.0040.00416.83
7.4.140.0000.00716.77
7.4.130.0000.00816.54
7.4.120.0070.00016.43
7.4.110.0070.00016.54
7.4.100.0030.00316.80
7.4.90.0030.00516.42
7.4.80.0000.00716.73
7.4.70.0070.00016.46
7.4.60.0000.00716.75
7.4.50.0080.00016.51
7.4.40.0000.00716.71
7.4.30.0030.00316.57
7.4.20.0000.00716.60
7.4.10.0000.00716.48
7.4.00.0000.00816.68
7.3.330.0000.00716.41
7.3.320.0060.00013.10
7.3.310.0030.00316.31
7.3.300.0040.00416.20
7.3.290.0030.00616.37
7.3.280.0030.00316.34
7.3.270.0040.00416.33
7.3.260.0000.00716.18
7.3.250.0000.00716.29
7.3.240.0040.00416.38
7.3.230.0000.00716.24
7.3.220.0070.00016.32
7.3.210.0000.00616.19
7.3.200.0000.00616.11
7.3.190.0000.00716.27
7.3.180.0030.00316.19
7.3.170.0000.00616.25
7.3.160.0000.00716.09
7.3.150.0030.00316.23
7.3.140.0030.00316.20
7.3.130.0000.00816.31
7.3.120.0040.00416.27
7.3.110.0070.00016.24
7.3.100.0040.00416.20
7.3.90.0040.00416.63
7.3.80.0070.00016.34
7.3.70.0000.00716.36
7.3.60.0030.00316.57
7.3.50.0000.00616.50
7.3.40.0030.00316.53
7.3.30.0030.00316.56
7.3.20.0040.00416.43
7.3.10.0030.00516.39
7.3.00.0040.00416.32

preferences:
26.7 ms | 403 KiB | 5 Q