3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = 'ABC (R+R) : Weldone boy (My Love)'; $variable = "ABC (R+R)"; //$variable = "ABC \(R\+R\)"; $pattern = "/\b$variable\b/i"; echo preg_match($pattern, $string)? '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)
8.4.120.0140.00718.20
8.4.110.0110.01019.89
8.4.100.0090.01018.13
8.4.90.0130.00720.21
8.4.80.0070.00319.04
8.4.70.0030.00619.08
8.4.60.0170.00319.12
8.4.50.0150.00522.53
8.4.40.0040.00417.87
8.4.30.0160.00718.48
8.4.20.0110.01119.98
8.4.10.0060.00317.89
8.3.250.0110.00816.47
8.3.240.0130.00616.65
8.3.230.0110.00716.83
8.3.220.0140.00518.68
8.3.210.0120.00718.57
8.3.200.0030.00616.61
8.3.190.0130.00617.01
8.3.180.0130.00618.71
8.3.170.0160.00316.51
8.3.160.0120.00618.66
8.3.150.0080.01116.91
8.3.140.0120.00320.40
8.3.130.0030.00618.54
8.3.120.0030.00620.72
8.3.110.0070.00320.94
8.3.100.0050.00524.06
8.3.90.0100.01026.77
8.3.80.0060.00316.53
8.3.70.0000.01816.58
8.3.60.0150.00618.31
8.3.50.0110.00717.98
8.3.40.0170.00321.85
8.3.30.0090.00618.58
8.3.20.0000.00724.18
8.3.10.0040.00424.66
8.3.00.0050.00326.16
8.2.290.0130.00616.60
8.2.280.0110.00918.44
8.2.270.0090.00918.38
8.2.260.0070.00716.38
8.2.250.0030.00517.10
8.2.240.0050.00517.05
8.2.230.0040.00422.58
8.2.220.0000.00937.54
8.2.210.0000.00726.77
8.2.200.0030.00616.75
8.2.190.0100.01016.63
8.2.180.0060.01325.92
8.2.170.0120.00319.26
8.2.160.0040.01422.96
8.2.150.0040.00425.66
8.2.140.0040.00424.66
8.2.130.0030.00626.16
8.2.120.0030.00626.16
8.2.110.0050.00521.14
8.2.100.0080.00318.22
8.2.90.0040.00418.22
8.2.80.0080.00017.97
8.2.70.0030.00617.93
8.2.60.0000.00818.03
8.2.50.0050.00218.10
8.2.40.0000.00820.01
8.2.30.0050.00218.14
8.2.20.0000.00718.04
8.2.10.0000.00819.28
8.2.00.0000.00719.38
8.1.330.0120.00716.30
8.1.320.0150.00617.74
8.1.310.0080.00018.58
8.1.300.0080.00018.28
8.1.290.0040.00430.84
8.1.280.0140.00025.92
8.1.270.0040.00423.99
8.1.260.0040.00426.35
8.1.250.0100.00628.09
8.1.240.0140.00321.11
8.1.230.0060.00619.10
8.1.220.0030.00617.79
8.1.210.0030.00518.77
8.1.200.0000.01017.35
8.1.190.0080.00017.23
8.1.180.0050.00318.10
8.1.170.0000.00818.66
8.1.160.0040.00418.76
8.1.150.0030.00318.65
8.1.140.0000.00717.58
8.1.130.0040.00418.75
8.1.120.0040.00417.43
8.1.110.0000.00717.55
8.1.100.0040.00417.44
8.1.90.0040.00317.59
8.1.80.0040.00417.57
8.1.70.0000.00717.46
8.1.60.0030.00517.60
8.1.50.0040.00417.55
8.1.40.0040.00417.57
8.1.30.0060.00317.68
8.1.20.0050.00317.61
8.1.10.0040.00417.52
8.1.00.0050.00317.55
8.0.300.0060.00319.77
8.0.290.0050.00316.88
8.0.280.0030.00718.31
8.0.270.0050.00218.08
8.0.260.0040.00418.45
8.0.250.0000.00717.01
8.0.240.0040.00417.05
8.0.230.0000.00716.95
8.0.220.0000.00717.05
8.0.210.0030.00317.02
8.0.200.0040.00417.03
8.0.190.0080.00017.09
8.0.180.0000.00717.02
8.0.170.0060.00317.05
8.0.160.0000.01017.13
8.0.150.0000.00716.94
8.0.140.0040.00417.01
8.0.130.0060.00013.39
8.0.120.0000.00816.85
8.0.110.0000.00716.98
8.0.100.0000.00816.98
8.0.90.0050.00316.89
8.0.80.0000.00717.04
8.0.70.0030.00616.90
8.0.60.0070.00017.01
8.0.50.0000.00817.08
8.0.30.0040.00416.99
8.0.20.0000.00716.95
8.0.10.0000.00816.99
8.0.00.0030.00317.16
7.4.330.0030.00315.55
7.4.320.0030.00316.76
7.4.300.0000.00716.75
7.4.290.0030.00316.64
7.4.280.0040.00416.68
7.4.270.0060.00316.72
7.4.260.0040.00413.52
7.4.250.0000.00816.71
7.4.240.0000.00716.67
7.4.230.0000.00716.79
7.4.220.0030.00316.80
7.4.210.0070.00016.66
7.4.200.0000.00716.85
7.4.190.0000.00716.81
7.4.180.0030.00316.80
7.4.160.0030.00316.91
7.4.150.0070.00016.71
7.4.140.0000.00716.54
7.4.130.0070.00016.75
7.4.120.0030.00316.69
7.4.110.0040.00416.56
7.4.100.0030.00316.80
7.4.90.0020.00516.84
7.4.80.0070.00016.49
7.4.70.0030.00316.64
7.4.60.0030.00316.72
7.4.50.0040.00416.52
7.4.40.0000.00716.73
7.4.30.0000.00716.36
7.4.20.0070.00016.57
7.4.10.0070.00016.38
7.4.00.0030.00316.63
7.3.330.0050.00216.18
7.3.320.0030.00313.05
7.3.310.0030.00316.19
7.3.300.0000.00616.21
7.3.290.0030.00316.30
7.3.280.0030.00316.32
7.3.270.0000.00716.38
7.3.260.0000.00616.39
7.3.250.0070.00016.17
7.3.240.0000.00716.36
7.3.230.0030.00316.32
7.3.220.0070.00016.30
7.3.210.0030.00316.26
7.3.200.0000.00716.32
7.3.190.0070.00016.22
7.3.180.0000.00816.18
7.3.170.0030.00316.29
7.3.160.0000.00716.26
7.3.150.0000.00716.16
7.3.140.0070.00016.32
7.3.130.0040.00416.31
7.3.120.0030.00516.18
7.3.110.0000.00916.23
7.3.100.0030.00616.22
7.3.90.0040.00416.63
7.3.80.0040.00416.39
7.3.70.0020.00516.35
7.3.60.0080.00016.50
7.3.50.0000.00716.54
7.3.40.0040.00416.50
7.3.30.0050.00216.52
7.3.20.0000.00816.52
7.3.10.0040.00416.22
7.3.00.0080.00016.39

preferences:
19.76 ms | 403 KiB | 5 Q