3v4l.org

run code in 300+ PHP versions simultaneously
<?php $re = '/(?<!\\\\)([\'"])(?:(?!(?:\1|\\\\)).|\\\\.)*+\1(*SKIP)(*FAIL)|\h+/m'; $str = 'abc | xx ?? "1 x \\\' 3" d e f \\\' y " 5 \\\' x yz abc | xx ?? \'1 x \\" 3\' d e f \\\' y " 5 \\\' x yz '; $result = preg_replace($re, '', $str); echo $result;

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)
8.4.140.0130.00817.68
8.4.130.0050.00417.91
8.4.120.0150.00620.83
8.4.110.0120.00822.43
8.4.100.0120.00918.26
8.4.90.0140.00818.92
8.4.80.0110.00918.07
8.4.70.0120.00617.91
8.4.60.0130.01024.29
8.4.50.0070.00318.90
8.4.40.0100.01018.06
8.4.30.0100.01020.50
8.4.20.0080.01218.07
8.4.10.0130.00620.52
8.3.270.0130.00716.83
8.3.260.0060.00316.86
8.3.250.0140.00518.63
8.3.240.0100.01016.66
8.3.230.0120.00716.82
8.3.220.0120.00617.12
8.3.210.0120.00718.67
8.3.200.0040.00516.74
8.3.190.0120.00718.98
8.3.180.0110.00918.32
8.3.170.0140.00416.86
8.3.160.0110.00818.26
8.3.150.0110.00717.05
8.3.140.0030.00718.98
8.3.130.0120.00318.54
8.3.120.0070.00320.72
8.3.110.0060.00318.38
8.3.100.0040.00718.30
8.3.90.0080.00026.77
8.3.80.0100.00016.63
8.3.70.0110.00716.75
8.3.60.0120.00916.74
8.3.50.0080.01023.72
8.3.40.0130.00721.88
8.3.30.0110.00318.84
8.3.20.0040.00424.18
8.3.10.0080.00024.66
8.3.00.0030.00526.16
8.2.290.0110.00920.68
8.2.280.0080.00618.38
8.2.270.0050.00319.18
8.2.260.0080.00017.08
8.2.250.0080.00018.80
8.2.240.0090.00917.30
8.2.230.0100.00020.94
8.2.220.0120.00024.06
8.2.210.0040.00426.77
8.2.200.0080.00316.75
8.2.190.0110.00416.88
8.2.180.0160.00025.92
8.2.170.0120.00319.04
8.2.160.0070.01022.96
8.2.150.0000.00825.66
8.2.140.0070.00024.66
8.2.130.0050.00226.16
8.2.120.0080.00026.35
8.2.110.0000.01021.10
8.2.100.0120.00018.03
8.2.90.0080.00019.20
8.2.80.0060.00317.97
8.2.70.0070.00558.86
8.2.60.0060.00318.09
8.2.50.0030.00518.10
8.2.40.0050.00319.38
8.2.30.0000.00719.26
8.2.20.0070.00018.20
8.2.10.0040.00419.46
8.2.00.0000.00719.48
8.1.330.0080.01022.25
8.1.320.0120.00816.37
8.1.310.0040.00418.22
8.1.300.0040.00419.82
8.1.290.0090.00030.84
8.1.280.0090.01525.92
8.1.270.0000.00824.66
8.1.260.0020.00528.09
8.1.250.0040.00428.09
8.1.240.0060.00322.81
8.1.230.0040.00717.83
8.1.220.0000.00817.91
8.1.210.0060.00318.77
8.1.200.0040.00817.48
8.1.190.0040.00417.36
8.1.180.0040.00418.10
8.1.170.0030.00618.79
8.1.160.0030.00519.15
8.1.150.0040.00418.91
8.1.140.0050.00218.96
8.1.130.0090.00020.13
8.1.120.0040.00417.45
8.1.110.0080.00017.55
8.1.100.0030.00617.56
8.1.90.0000.00717.58
8.1.80.0030.00617.56
8.1.70.0030.00317.58
8.1.60.0060.00317.70
8.1.50.0000.00817.44
8.1.40.0030.00517.50
8.1.30.0000.01317.74
8.1.20.0000.00817.75
8.1.10.0050.00317.66
8.1.00.0090.00017.56
8.0.300.0040.00418.77
8.0.290.0060.00316.88
8.0.280.0050.00218.46
8.0.270.0080.00016.96
8.0.260.0060.00020.15
8.0.250.0000.00617.09
8.0.240.0030.00316.97
8.0.230.0000.00716.92
8.0.220.0030.00316.95
8.0.210.0000.00716.85
8.0.200.0070.00017.00
8.0.190.0030.00316.99
8.0.180.0040.00416.93
8.0.170.0000.00817.04
8.0.160.0040.00417.00
8.0.150.0040.00416.91
8.0.140.0030.00616.93
8.0.130.0030.00313.40
8.0.120.0030.00516.89
8.0.110.0030.00516.90
8.0.100.0040.00416.89
8.0.90.0040.00417.08
8.0.80.0100.00917.03
8.0.70.0040.00416.98
8.0.60.0000.00717.11
8.0.50.0000.00716.90
8.0.30.0090.00917.42
8.0.20.0080.01017.18
8.0.10.0000.00817.21
8.0.00.0110.00816.91
7.4.330.0000.00515.55
7.4.320.0000.00616.81
7.4.300.0000.00616.85
7.4.290.0000.00716.57
7.4.280.0050.00316.79
7.4.270.0050.00316.62
7.4.260.0030.00313.38
7.4.250.0000.00916.70
7.4.240.0030.00516.80
7.4.230.0000.00716.92
7.4.220.0040.00416.77
7.4.210.0070.00616.82
7.4.200.0040.00416.80
7.4.130.0170.00516.69
7.4.120.0140.01016.79
7.4.110.0100.00716.59
7.4.100.0070.01116.56
7.4.90.0040.01216.66
7.4.80.0080.00916.75
7.4.70.0120.00616.65
7.4.60.0170.00716.57
7.4.50.0120.01216.63
7.4.40.0110.00716.62
7.4.30.0100.00716.50
7.4.20.0090.00916.38
7.4.10.0120.00916.52
7.4.00.0070.01016.63
7.3.330.0040.00416.28
7.3.320.0060.00013.29
7.3.310.0000.00716.44
7.3.300.0030.00316.25
7.3.290.0070.00816.34
7.3.260.0080.01116.45
7.3.230.0110.00616.36
7.3.220.0100.00716.76
7.3.210.0100.00616.39
7.3.200.0070.01016.88
7.3.190.0090.00916.57
7.3.180.0100.01316.30
7.3.170.0030.01416.45
7.3.160.0100.00716.56
7.3.150.0100.01016.42
7.3.140.0080.00816.61
7.3.130.0030.01516.55
7.3.120.0070.01016.36
7.3.110.0060.01016.48
7.3.100.0130.00416.68
7.3.90.0110.00616.66
7.3.80.0170.00016.73
7.3.70.0120.00616.53
7.3.60.0140.00316.42
7.3.50.0120.00616.30
7.3.40.0100.00716.47
7.3.30.0090.00916.44
7.3.20.0160.00716.43
7.3.10.0060.01216.33
7.3.00.0070.01016.55
7.2.340.0120.01216.71
7.2.330.0070.01016.68
7.2.320.0030.01316.77
7.2.310.0080.01616.58
7.2.300.0140.00416.68
7.2.290.0030.01316.81
7.2.280.0110.00716.64
7.2.270.0100.00716.51
7.2.260.0120.00616.84
7.2.250.0140.00316.66
7.2.240.0090.00916.62
7.2.230.0090.00916.52
7.2.220.0080.00816.71
7.2.210.0030.01416.67
7.2.200.0120.00616.71
7.2.190.0140.00416.66
7.2.180.0090.00916.52
7.2.170.0120.00616.56
7.2.160.0100.01316.69
7.2.150.0090.00916.64
7.2.140.0030.01416.68
7.2.130.0150.00916.68
7.2.120.0140.01116.63
7.2.110.0160.01016.80
7.2.100.0100.01616.66
7.2.90.0060.01516.98
7.2.80.0090.01216.77
7.2.70.0150.01216.64
7.2.60.0170.01016.74
7.2.50.0130.01316.55
7.2.40.0370.00716.75
7.2.30.0040.01516.58
7.2.20.0030.01416.75
7.2.10.0120.00616.48
7.2.00.0140.00416.65

preferences:
125.94 ms | 403 KiB | 5 Q