3v4l.org

run code in 300+ PHP versions simultaneously
<?php $pattern = '~(?:(?<=<p class="code">\v)|(?!\A)\G\v*)^((?>(?!</p>)\V)*)(\v)~m'; $str = ' <p>hello see my css below</p> <p class="code"> h1 { font-size:10px font-color:#FFF } h2 { font-size:10px font-color:#FFF } </p> <p>123</p> <p class="code"> 1 2 3 </p>'; $str = preg_replace($pattern, '<code>\1</code>\2', $str); echo $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)
8.3.60.0100.00616.63
8.3.50.0110.00722.90
8.3.40.0120.00618.92
8.3.30.0070.00719.17
8.3.20.0080.00020.22
8.3.10.0000.00921.53
8.3.00.0090.00019.27
8.2.180.0070.01016.63
8.2.170.0140.00722.96
8.2.160.0000.01520.40
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0060.00326.16
8.2.120.0050.00319.04
8.2.110.0030.00620.31
8.2.100.0120.00019.82
8.2.90.0050.00317.89
8.2.80.0040.00420.54
8.2.70.0040.00418.05
8.2.60.0040.00418.05
8.2.50.0060.00618.10
8.2.40.0030.00520.46
8.2.30.0000.00821.28
8.2.20.0040.00417.72
8.2.10.0050.00318.21
8.2.00.0050.00317.78
8.1.280.0090.00625.92
8.1.270.0030.00623.91
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0080.00023.89
8.1.230.0060.00620.88
8.1.220.0030.00517.78
8.1.210.0050.00318.90
8.1.200.0000.00917.47
8.1.190.0000.00718.94
8.1.180.0050.00318.10
8.1.170.0040.00418.71
8.1.160.0020.00522.22
8.1.150.0040.00418.86
8.1.140.0030.00617.51
8.1.130.0000.00717.82
8.1.120.0040.00417.49
8.1.110.0070.00017.54
8.1.100.0050.00217.42
8.1.90.0000.00717.59
8.1.80.0050.00217.59
8.1.70.0070.00017.48
8.1.60.0030.00517.61
8.1.50.0030.00617.61
8.1.40.0060.00317.50
8.1.30.0000.00717.64
8.1.20.0080.00017.59
8.1.10.0040.00417.66
8.1.00.0050.00317.61
8.0.300.0040.00420.11
8.0.290.0040.00416.75
8.0.280.0040.00418.49
8.0.270.0070.00017.31
8.0.260.0040.00417.23
8.0.250.0030.00317.03
8.0.240.0030.00317.16
8.0.230.0040.00416.93
8.0.220.0000.00717.01
8.0.210.0030.00316.94
8.0.200.0030.00316.94
8.0.190.0080.00017.00
8.0.180.0000.00716.90
8.0.170.0000.00817.02
8.0.160.0000.00716.92
8.0.150.0060.00316.79
8.0.140.0030.00516.85
8.0.130.0030.00313.41
8.0.120.0030.00516.96
8.0.110.0070.00016.89
8.0.100.0000.00716.85
8.0.90.0000.00816.79
8.0.80.0060.00917.00
8.0.70.0040.00417.05
8.0.60.0040.00417.02
8.0.50.0000.00716.88
8.0.30.0140.00717.14
8.0.20.0100.00917.40
8.0.10.0000.00817.18
8.0.00.0090.01016.95
7.4.330.0000.00515.04
7.4.320.0030.00316.76
7.4.300.0040.00416.66
7.4.290.0050.00216.80
7.4.280.0040.00416.71
7.4.270.0030.00316.77
7.4.260.0080.00316.55
7.4.250.0080.00016.50
7.4.240.0020.00516.65
7.4.230.0030.00316.60
7.4.220.0080.01116.75
7.4.210.0070.00716.65
7.4.200.0070.00016.82
7.4.160.0160.00816.73
7.4.150.0060.01217.40
7.4.140.0130.00517.86
7.4.130.0070.00916.67
7.4.120.0080.00916.79
7.4.110.0140.01016.66
7.4.100.0030.01416.72
7.4.90.0150.00416.73
7.4.80.0120.01019.39
7.4.70.0030.01316.81
7.4.60.0080.00816.64
7.4.50.0000.00416.45
7.4.40.0150.00316.63
7.4.30.0000.01516.71
7.4.00.0090.00714.82
7.3.330.0030.00313.07
7.3.320.0050.00013.09
7.3.310.0070.00016.44
7.3.300.0000.00716.37
7.3.290.0100.00316.45
7.3.280.0060.01116.39
7.3.270.0070.01117.40
7.3.260.0120.00616.68
7.3.250.0090.00816.35
7.3.240.0110.00616.32
7.3.230.0080.00916.40
7.3.210.0100.00716.66
7.3.200.0060.00919.39
7.3.190.0070.01016.82
7.3.180.0100.00616.80
7.3.170.0080.00816.29
7.3.160.0000.01716.38
7.3.120.0100.01014.73
7.3.110.0090.00915.01
7.3.100.0070.01114.72
7.3.90.0060.01314.91
7.3.80.0060.01015.03
7.3.70.0030.01214.91
7.3.60.0000.01215.00
7.3.50.0000.01314.95
7.3.40.0030.01314.70
7.3.30.0080.00314.66
7.3.20.0030.00616.70
7.3.10.0070.01116.62
7.3.00.0080.00716.56
7.2.330.0100.01316.64
7.2.320.0100.00616.61
7.2.310.0130.00316.75
7.2.300.0060.01716.62
7.2.290.0050.01416.66
7.2.250.0090.00615.26
7.2.240.0110.00715.23
7.2.230.0000.01915.21
7.2.220.0130.00715.09
7.2.210.0040.01215.02
7.2.200.0070.00715.25
7.2.190.0100.00315.14
7.2.180.0070.01015.04
7.2.170.0040.01115.11
7.2.130.0120.00816.89
7.2.120.0110.00616.87
7.2.110.0070.01016.94
7.2.100.0120.00816.93
7.2.90.0110.00716.68
7.2.80.0120.00517.05
7.2.70.0150.00516.54
7.2.60.0090.00716.77
7.2.50.0090.00916.78
7.2.40.0130.00616.95
7.2.30.0090.00616.78
7.2.20.0110.00816.85
7.2.10.0110.00516.56
7.2.00.0120.00717.88
7.1.330.0060.00915.98
7.1.320.0040.00815.98
7.1.310.0000.00915.77
7.1.300.0040.01116.02
7.1.290.0030.01415.94
7.1.280.0060.00316.00
7.1.270.0030.01015.98
7.1.260.0030.00715.70
7.1.250.0090.00815.59
7.1.200.0030.01215.93
7.1.100.0080.00418.25
7.1.70.0000.00717.31
7.1.60.0140.01019.46
7.1.50.0060.00917.12
7.1.00.0030.08322.36
7.0.200.0050.00514.94
7.0.140.0070.07021.97
7.0.60.0130.07720.02
7.0.50.0070.07017.65
7.0.40.0070.07320.06
7.0.30.0130.05720.02
7.0.20.0300.07320.22
7.0.10.0100.05320.18
7.0.00.0030.04320.10
5.6.280.0070.06721.03
5.6.210.0100.07320.50
5.6.200.0070.08018.16
5.6.190.0030.08720.27
5.6.180.0330.04020.61
5.6.170.0230.04720.42
5.6.160.0070.08720.48
5.6.150.0000.08318.22
5.6.140.0100.07718.12
5.6.130.0100.04318.11
5.6.120.0000.06021.09
5.6.110.0000.07020.95
5.6.100.0070.06720.98
5.6.90.0170.04321.10
5.6.80.0030.03720.43
5.5.350.0170.08020.32
5.5.340.0100.08017.92
5.5.330.0100.07720.25
5.5.320.0400.06020.34
5.5.310.0130.04320.32
5.5.300.0030.09017.97
5.5.290.0070.08017.87
5.5.280.0070.04720.79
5.5.270.0070.07020.94
5.5.260.0200.06320.67
5.5.250.0070.03720.68
5.5.240.0170.07320.00
5.4.450.0430.04719.42
5.4.440.0170.04719.41
5.4.430.0130.04019.48
5.4.420.0430.04019.22
5.4.410.0100.04319.43
5.4.400.0230.04018.93
5.4.390.0130.05019.13
5.4.380.0300.05318.67
5.4.370.0370.05718.67
5.4.360.0300.05018.60
5.4.350.0370.07718.52
5.4.340.0230.05718.57
5.4.320.0080.03512.45
5.4.310.0040.04012.45
5.4.300.0060.03612.45
5.4.290.0050.03912.45
5.4.280.0080.03312.35
5.4.270.0070.03612.34
5.4.260.0060.03712.35
5.4.250.0090.03412.35
5.4.240.0070.04112.34
5.4.230.0050.03812.34
5.4.220.0090.03412.34
5.4.210.0050.03712.34
5.4.200.0080.03512.34
5.4.190.0040.03712.33
5.4.180.0050.03712.33
5.4.170.0050.03712.34
5.4.160.0050.03612.34
5.4.150.0070.03512.34
5.4.140.0060.03612.02
5.4.130.0050.03712.01
5.4.120.0040.03611.97
5.4.110.0070.03311.96
5.4.100.0040.03611.97
5.4.90.0040.03711.97
5.4.80.0060.03511.96
5.4.70.0040.03511.96
5.4.60.0040.03611.96
5.4.50.0070.03411.96
5.4.40.0090.03111.95
5.4.30.0060.03411.95
5.4.20.0060.03511.95
5.4.10.0070.03311.95
5.4.00.0060.03511.43
5.3.290.0060.04012.80
5.3.280.0080.03612.71
5.3.270.0090.03712.73
5.3.260.0080.03712.72
5.3.250.0110.03312.71
5.3.240.0080.03612.72
5.3.230.0060.03812.71
5.3.220.0080.03612.68
5.3.210.0050.04012.68
5.3.200.0060.03612.68
5.3.190.0050.03912.68
5.3.180.0080.03712.67
5.3.170.0110.03212.67
5.3.160.0060.03912.67
5.3.150.0070.03612.67
5.3.140.0060.03712.66
5.3.130.0070.03812.66
5.3.120.0080.03712.65
5.3.110.0040.04112.66
5.3.100.0040.03812.12
5.3.90.0040.03812.09
5.3.80.0100.03112.07
5.3.70.0080.03412.07
5.3.60.0040.03812.06
5.3.50.0040.03912.00
5.3.40.0030.03912.00
5.3.30.0080.03311.95
5.3.20.0050.03711.73
5.3.10.0070.03511.70
5.3.00.0030.03911.69
5.2.170.0040.0319.19
5.2.160.0070.0289.19
5.2.150.0040.0329.19
5.2.140.0040.0319.18
5.2.130.0070.0299.14
5.2.120.0050.0399.15
5.2.110.0060.0279.15
5.2.100.0050.0289.15
5.2.90.0050.0299.15
5.2.80.0040.0319.15
5.2.70.0090.0279.14
5.2.60.0040.0319.10
5.2.50.0060.0289.07
5.2.40.0080.0259.05
5.2.30.0040.0319.03
5.2.20.0040.0309.01
5.2.10.0090.0238.93
5.2.00.0040.0298.79
5.1.60.0020.0268.07
5.1.50.0050.0258.07
5.1.40.0020.0268.05
5.1.30.0040.0268.40
5.1.20.0000.0308.43
5.1.10.0050.0258.14
5.1.00.0040.0258.15
5.0.50.0020.0236.63
5.0.40.0020.0216.49
5.0.30.0070.0286.30
5.0.20.0030.0206.27
5.0.10.0040.0196.25
5.0.00.0020.0316.24
4.4.90.0020.0164.78
4.4.80.0040.0144.75
4.4.70.0040.0144.75
4.4.60.0020.0164.75
4.4.50.0010.0174.77
4.4.40.0040.0234.71
4.4.30.0030.0154.76
4.4.20.0030.0154.84
4.4.10.0030.0154.85
4.4.00.0020.0294.76
4.3.110.0040.0144.67
4.3.100.0000.0174.66
4.3.90.0010.0164.63
4.3.80.0050.0224.58
4.3.70.0020.0154.63
4.3.60.0060.0114.63
4.3.50.0010.0174.63
4.3.40.0030.0254.54
4.3.30.0010.0163.30
4.3.20.0050.0133.27
4.3.10.0040.0143.23
4.3.00.0070.01715.09

preferences:
42.31 ms | 401 KiB | 5 Q