3v4l.org

run code in 300+ PHP versions simultaneously
<?php $re = '/(?<=\[prev)( title="[^"]+")( cont="[^"]+" res="[^"]+")/m'; $str = '[prev title="sample1" cont="sample1a" res="sample1b" mw="1"][prev title="sample2" cont="sample2a" res="sample2b" mw="2"][prev title="sample3" cont="sample3a" res="sample3b" mw="3"].'; $result = preg_replace($re, '$2$1', $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)
8.5.10.0110.00716.72
8.5.00.0150.01020.25
8.4.150.0020.00014.05
8.4.140.0170.01017.77
8.4.130.0140.00617.45
8.4.120.0050.00620.61
8.4.110.0110.00824.08
8.4.100.0110.01017.70
8.4.90.0120.01018.85
8.4.80.0130.00718.94
8.4.70.0110.00817.98
8.4.60.0120.00818.60
8.4.50.0080.01218.51
8.4.40.0100.01019.60
8.4.30.0160.00319.62
8.4.20.0090.00318.65
8.4.10.0130.00317.93
8.3.280.0020.00014.05
8.3.270.0140.00616.47
8.3.260.0130.01116.67
8.3.250.0120.00817.14
8.3.240.0100.00916.52
8.3.230.0110.00816.74
8.3.220.0120.00718.95
8.3.210.0070.00716.47
8.3.200.0050.00416.48
8.3.190.0060.00217.09
8.3.180.0100.00819.03
8.3.170.0110.00720.51
8.3.160.0120.00617.03
8.3.150.0150.00416.98
8.3.140.0070.00416.82
8.3.130.0000.00818.27
8.3.120.0030.00620.68
8.3.110.0030.00516.50
8.3.100.0000.00824.06
8.3.90.0040.00426.77
8.3.80.0030.00618.56
8.3.70.0070.01116.88
8.3.60.0140.01018.68
8.3.50.0130.00318.38
8.3.40.0090.00918.78
8.3.30.0060.00918.82
8.3.20.0040.00419.11
8.3.10.0040.00423.66
8.3.00.0070.00020.82
8.2.290.0060.00220.32
8.2.280.0120.00718.38
8.2.270.0070.01119.21
8.2.260.0150.00416.50
8.2.250.0030.00619.20
8.2.240.0040.00417.34
8.2.230.0090.00020.94
8.2.220.0060.00637.54
8.2.210.0040.00426.77
8.2.200.0030.00617.00
8.2.190.0120.00318.30
8.2.180.0120.00918.28
8.2.170.0040.01122.96
8.2.160.0110.00422.16
8.2.150.0030.00524.18
8.2.140.0000.00824.66
8.2.130.0000.00821.13
8.2.120.0050.00326.35
8.2.110.0070.00321.07
8.2.100.0080.00417.84
8.2.90.0000.00818.03
8.2.80.0000.00819.34
8.2.70.0050.00317.88
8.2.60.0060.00317.88
8.2.50.0030.00618.10
8.2.40.0040.00419.47
8.2.30.0050.00319.16
8.2.20.0040.00418.01
8.2.10.0050.00218.14
8.2.00.0060.00319.41
8.1.330.0090.01016.12
8.1.320.0140.00616.49
8.1.310.0110.00416.72
8.1.300.0070.00418.09
8.1.290.0040.00830.84
8.1.280.0070.00725.92
8.1.270.0000.00722.11
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0100.00320.34
8.1.230.0040.00720.85
8.1.220.0040.00417.79
8.1.210.0100.00018.81
8.1.200.0100.00017.47
8.1.190.0000.00817.36
8.1.180.0080.00018.10
8.1.170.0030.00818.66
8.1.160.0060.00318.89
8.1.150.0000.00818.79
8.1.140.0030.00622.09
8.1.130.0070.00020.15
8.1.120.0050.00317.57
8.1.110.0030.00517.43
8.1.100.0040.00417.46
8.1.90.0040.00717.44
8.1.80.0040.00417.39
8.1.70.0030.00317.41
8.1.60.0000.00917.66
8.1.50.0040.00417.53
8.1.40.0080.00017.60
8.1.30.0040.00417.77
8.1.20.0040.00417.84
8.1.10.0000.00817.57
8.1.00.0050.00217.44
8.0.300.0020.00520.03
8.0.290.0070.00016.75
8.0.280.0000.00718.34
8.0.270.0050.00317.00
8.0.260.0000.00718.51
8.0.250.0000.00717.08
8.0.240.0030.00317.10
8.0.230.0070.00016.93
8.0.220.0000.00716.94
8.0.210.0000.00616.87
8.0.200.0030.00317.08
8.0.190.0060.00317.07
8.0.180.0040.00417.00
8.0.170.0030.00516.99
8.0.160.0040.00417.04
8.0.150.0040.00416.96
8.0.140.0000.01016.84
8.0.130.0030.00313.40
8.0.120.0070.00017.00
8.0.110.0050.00216.96
8.0.100.0040.00416.80
8.0.90.0030.00316.84
8.0.80.0040.01117.03
8.0.70.0080.00016.99
8.0.60.0040.00416.88
8.0.50.0000.00816.78
8.0.30.0110.00717.29
8.0.20.0070.01117.40
8.0.10.0050.00216.96
8.0.00.0130.00716.83
7.4.330.0050.00015.55
7.4.320.0030.00316.65
7.4.300.0000.00616.80
7.4.290.0060.00016.73
7.4.280.0080.00016.55
7.4.270.0040.00416.80
7.4.260.0050.00316.63
7.4.250.0060.00316.77
7.4.240.0000.00716.57
7.4.230.0000.00716.74
7.4.220.0050.00316.84
7.4.210.0090.00816.74
7.4.200.0000.00716.67
7.4.160.0090.00916.58
7.4.140.0070.01217.86
7.4.130.0120.00916.71
7.4.120.0110.01016.56
7.4.110.0090.01316.64
7.4.100.0120.00616.64
7.4.90.0060.01116.64
7.4.80.0090.00919.39
7.4.70.0030.01416.68
7.4.60.0100.00616.63
7.4.50.0030.01216.65
7.4.40.0030.01216.56
7.4.00.0040.01115.04
7.3.330.0000.00513.21
7.3.320.0050.00013.22
7.3.310.0050.00316.50
7.3.300.0030.00316.38
7.3.290.0040.00416.31
7.3.280.0190.00816.34
7.3.260.0100.00916.63
7.3.240.0110.00916.60
7.3.230.0100.00616.71
7.3.210.0000.01616.64
7.3.200.0060.01216.33
7.3.190.0120.00916.43
7.3.180.0160.00816.33
7.3.170.0090.01016.48
7.3.160.0090.01516.75
7.2.330.0130.00616.77
7.2.320.0090.00916.79
7.2.310.0130.00616.59
7.2.300.0030.01516.69
7.2.290.0110.00616.62
7.2.120.0030.01016.75
7.2.110.0030.01016.49
7.2.100.0130.00416.36
7.2.90.0100.00316.53
7.2.80.0120.00716.35
7.2.70.0170.00016.86
7.2.60.0130.00316.98
7.2.50.0060.00617.16
7.2.40.0090.00917.15
7.2.30.0060.00617.04
7.2.20.0090.00617.03
7.2.10.0110.00316.99
7.2.00.0120.00616.91
7.1.240.0090.00915.82
7.1.230.0040.01315.81
7.1.220.0150.00015.64
7.1.210.0030.01215.69
7.1.200.0080.00415.85
7.1.190.0120.00415.84
7.1.180.0060.00916.04
7.1.170.0090.00916.09
7.1.160.0130.00016.01
7.1.150.0150.00015.95
7.1.140.0120.00816.05
7.1.130.0080.00515.75
7.1.120.0000.01315.82
7.1.110.0040.01115.80
7.1.100.0030.00915.98
7.1.90.0040.00915.87
7.1.80.0080.00715.91
7.1.70.0060.00616.06
7.1.60.0100.00316.01
7.1.50.0030.01015.85
7.1.40.0060.00615.72
7.1.30.0080.00415.65
7.1.20.0030.00916.00
7.1.10.0060.00816.07
7.1.00.0090.00315.75
5.6.380.0060.01014.10

preferences:
178.89 ms | 403 KiB | 5 Q