3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = 'abc | xx ?? "1 x \' 3" d e f \' y " 5 \' x yz'; echo preg_replace('~(?<!\\\\)(?:\\\\{2})*(?:"[^"\\\\]*(?:\\\\.[^"\\\\]*)*"|\'[^\'\\\\]*(?:\\\\.[^\'\\\\]*)*\')(*SKIP)(?!)|\s+~s', '', $str);

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)
8.4.140.0080.01317.89
8.4.130.0170.00518.09
8.4.120.0120.00822.57
8.4.110.0130.00718.12
8.4.100.0130.00818.05
8.4.90.0110.00920.75
8.4.80.0040.00519.04
8.4.70.0100.00918.99
8.4.60.0100.01019.16
8.4.50.0100.01119.78
8.4.40.0100.01017.90
8.4.30.0030.00620.25
8.4.20.0140.00717.85
8.4.10.0050.00320.86
8.3.270.0100.01016.93
8.3.260.0120.00616.75
8.3.250.0070.01118.56
8.3.240.0130.00616.82
8.3.230.0050.00416.63
8.3.220.0040.00418.94
8.3.210.0110.00716.70
8.3.200.0100.00916.30
8.3.190.0100.00917.16
8.3.180.0120.00616.72
8.3.170.0060.01217.20
8.3.160.0140.00418.53
8.3.150.0000.00920.56
8.3.140.0000.00816.84
8.3.130.0000.00818.50
8.3.120.0000.00920.57
8.3.110.0080.00020.94
8.3.100.0030.00618.39
8.3.90.0090.00026.77
8.3.80.0030.00619.36
8.3.70.0110.00816.62
8.3.60.0180.00316.50
8.3.50.0100.00823.64
8.3.40.0120.00621.86
8.3.30.0040.01518.63
8.3.20.0070.00024.18
8.3.10.0040.00424.66
8.3.00.0080.00026.16
8.2.290.0090.01116.56
8.2.280.0120.00818.53
8.2.270.0110.00717.01
8.2.260.0030.00618.42
8.2.250.0090.00918.52
8.2.240.0080.00018.82
8.2.230.0050.00322.58
8.2.220.0000.00937.54
8.2.210.0120.00326.77
8.2.200.0070.00318.88
8.2.190.0110.00716.63
8.2.180.0120.00925.92
8.2.170.0070.00718.86
8.2.160.0060.00822.96
8.2.150.0080.00025.66
8.2.140.0030.00524.66
8.2.130.0080.00026.16
8.2.120.0000.00821.18
8.2.110.0060.00322.38
8.2.100.0040.00718.04
8.2.90.0000.01117.96
8.2.80.0050.00317.97
8.2.70.0030.00518.02
8.2.60.0030.00618.22
8.2.50.0000.00818.10
8.2.40.0030.00619.34
8.2.30.0020.00519.35
8.2.20.0000.00717.97
8.2.10.0000.00719.18
8.2.00.0040.00419.13
8.1.330.0110.00816.39
8.1.320.0110.00818.26
8.1.310.0040.00416.89
8.1.300.0000.01018.22
8.1.290.0040.00430.84
8.1.280.0100.01025.92
8.1.270.0040.00423.96
8.1.260.0030.00526.35
8.1.250.0080.00028.09
8.1.240.0060.00323.83
8.1.230.0120.00022.63
8.1.220.0030.00517.74
8.1.210.0000.00818.77
8.1.200.0030.01017.22
8.1.190.0030.00517.35
8.1.180.0060.00318.10
8.1.170.0030.00618.64
8.1.160.0030.00518.99
8.1.150.0040.00418.86
8.1.140.0040.00418.89
8.1.130.0000.00720.32
8.1.120.0090.00017.46
8.1.110.0070.00517.56
8.1.100.0120.00017.58
8.1.90.0050.00717.52
8.1.80.0100.00217.58
8.1.70.0070.00617.59
8.1.60.0040.00617.68
8.1.50.0050.00517.53
8.1.40.0020.00917.58
8.1.30.0090.00017.65
8.1.20.0040.00417.78
8.1.10.0040.00417.60
8.1.00.0080.00517.59
8.0.300.0000.00721.95
8.0.290.0050.00316.88
8.0.280.0000.00818.38
8.0.270.0000.00716.86
8.0.260.0060.00020.15
8.0.250.0020.00616.98
8.0.240.0070.00317.03
8.0.230.0050.00516.94
8.0.220.0060.00616.89
8.0.210.0090.00216.87
8.0.200.0070.00417.04
8.0.190.0070.00417.04
8.0.180.0050.00616.98
8.0.170.0070.00516.95
8.0.160.0090.00216.95
8.0.150.0040.00716.93
8.0.140.0090.00516.94
8.0.130.0050.00515.07
8.0.120.0080.00416.86
8.0.110.0080.00316.91
8.0.100.0110.00017.00
8.0.90.0050.00616.83
8.0.80.0080.00816.94
8.0.70.0070.00416.84
8.0.60.0090.00216.89
8.0.50.0070.00316.87
8.0.30.0070.00816.96
8.0.20.0090.00917.27
8.0.10.0050.00617.09
8.0.00.0050.00817.09
7.4.330.0060.00314.92
7.4.320.0060.00516.63
7.4.300.0060.00616.68
7.4.290.0080.00316.61
7.4.280.0070.00616.54
7.4.270.0090.00316.59
7.4.260.0090.00215.09
7.4.250.0040.00416.52
7.4.240.0040.00716.73
7.4.230.0080.00416.70
7.4.220.0050.00516.70
7.4.210.0100.00716.70
7.4.200.0080.00316.68
7.4.190.0110.00416.74
7.4.180.0140.00016.79
7.4.160.0070.00716.61
7.4.150.0140.00016.75
7.4.140.0090.00516.62
7.4.130.0120.00516.65
7.4.120.0120.00616.58
7.4.110.0100.00616.69
7.4.100.0120.00416.38
7.4.90.0130.00416.54
7.4.80.0100.00316.55
7.4.70.0050.01016.58
7.4.60.0050.01116.64
7.4.50.0110.00616.39
7.4.40.0090.00516.50
7.4.30.0090.00616.63
7.4.20.0040.00816.44
7.4.10.0080.00516.61
7.4.00.0080.00716.53
7.3.330.0050.00616.22
7.3.320.0100.00114.52
7.3.310.0090.00216.24
7.3.300.0090.00216.22
7.3.290.0080.00616.36
7.3.280.0090.00516.20
7.3.270.0110.00416.14
7.3.260.0080.00816.19
7.3.250.0120.00216.18
7.3.240.0120.00316.13
7.3.230.0110.00416.43
7.3.220.0050.01016.23
7.3.210.0110.00616.35
7.3.200.0080.00716.33
7.3.190.0120.00616.37
7.3.180.0130.00416.19
7.3.170.0100.00716.35
7.3.160.0100.00616.30
7.3.150.0130.00316.42
7.3.140.0070.00916.25
7.3.130.0110.00616.24
7.3.120.0120.00516.27
7.3.110.0110.00716.32
7.3.100.0100.00916.34
7.3.90.0140.00516.49
7.3.80.0030.01216.24
7.3.70.0110.00816.45
7.3.60.0110.00516.36
7.3.50.0120.00516.28
7.3.40.0110.00516.42
7.3.30.0110.00516.39
7.3.20.0110.00617.23
7.3.10.0150.00617.32
7.3.00.0150.00517.17
7.2.340.0150.00516.35
7.2.330.0110.00616.45
7.2.320.0090.00716.32
7.2.310.0120.00516.53
7.2.300.0100.00716.39
7.2.290.0150.00116.50
7.2.280.0120.00516.45
7.2.270.0080.00816.44
7.2.260.0120.00516.50
7.2.250.0120.00516.55
7.2.240.0090.00716.48
7.2.230.0110.00916.53
7.2.220.0090.00816.47
7.2.210.0090.00816.55
7.2.200.0140.00416.55
7.2.190.0110.01016.45
7.2.180.0130.00416.46
7.2.170.0150.00116.49
7.2.160.0100.00716.41
7.2.150.0150.00617.47
7.2.140.0100.01017.51
7.2.130.0140.00717.49
7.2.120.0070.01117.46
7.2.110.0120.00717.46
7.2.100.0090.00917.36
7.2.90.0120.00917.31
7.2.80.0150.00617.35
7.2.70.0130.00517.57
7.2.60.0110.00917.47
7.2.50.0170.00617.39
7.2.40.0120.00617.35
7.2.30.0090.00917.36
7.2.20.0150.00317.41
7.2.10.0130.00617.39
7.2.00.0100.00817.55

preferences:
33.13 ms | 403 KiB | 5 Q