3v4l.org

run code in 300+ PHP versions simultaneously
<?php $content = '[btn href="(.?)" "(.?)"]'; echo preg_replace('#\[btn href="(.*?)" "(.*?)"\]#i', '<a href="$1" class="btn"> $2</a>', $content);

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)
8.3.60.0070.00718.31
8.3.50.0160.00722.14
8.3.40.0120.00318.97
8.3.30.0150.00419.09
8.3.20.0070.00020.12
8.3.10.0060.00320.78
8.3.00.0040.00417.80
8.2.180.0150.00616.63
8.2.170.0070.00722.96
8.2.160.0100.00320.39
8.2.150.0050.00224.18
8.2.140.0080.00024.66
8.2.130.0080.00026.16
8.2.120.0050.00322.21
8.2.110.0040.00420.56
8.2.100.0090.00319.83
8.2.90.0050.00318.16
8.2.80.0000.00817.97
8.2.70.0040.00417.75
8.2.60.0090.00018.05
8.2.50.0030.00518.07
8.2.40.0050.00217.97
8.2.30.0040.00419.27
8.2.20.0050.00317.75
8.2.10.0000.00718.02
8.2.00.0040.00417.80
8.1.280.0150.00625.92
8.1.270.0050.00322.14
8.1.260.0070.00026.35
8.1.250.0070.00028.09
8.1.240.0060.00322.14
8.1.230.0110.00020.91
8.1.220.0080.00017.76
8.1.210.0040.00418.77
8.1.200.0060.00317.35
8.1.190.0040.00417.25
8.1.180.0000.00718.10
8.1.170.0040.00418.60
8.1.160.0040.00421.96
8.1.150.0080.00018.79
8.1.140.0040.00417.57
8.1.130.0030.00517.45
8.1.120.0040.00417.55
8.1.110.0040.00417.58
8.1.100.0000.00717.54
8.1.90.0030.00317.59
8.1.80.0040.00417.58
8.1.70.0040.00417.48
8.1.60.0070.00017.67
8.1.50.0030.00517.54
8.1.40.0080.00317.56
8.1.30.0030.00617.74
8.1.20.0050.00317.75
8.1.10.0050.00217.66
8.1.00.0000.00917.56
8.0.300.0040.00421.82
8.0.290.0030.00516.88
8.0.280.0040.00418.48
8.0.270.0040.00417.20
8.0.260.0040.00416.96
8.0.250.0000.00717.13
8.0.240.0000.00817.02
8.0.230.0070.00016.92
8.0.220.0030.00317.00
8.0.210.0060.00017.02
8.0.200.0070.00016.94
8.0.190.0080.00017.04
8.0.180.0040.00416.91
8.0.170.0070.00017.03
8.0.160.0040.00316.95
8.0.150.0070.00016.94
8.0.140.0000.00816.82
8.0.130.0000.00513.38
8.0.120.0050.00316.90
8.0.110.0050.00216.88
8.0.100.0070.00016.77
8.0.90.0070.00016.77
8.0.80.0090.00616.95
8.0.70.0040.00416.84
8.0.60.0050.00316.97
8.0.50.0050.00316.86
8.0.30.0130.00916.95
8.0.20.0140.00817.40
8.0.10.0000.00717.09
8.0.00.0060.01116.79
7.4.330.0000.00515.05
7.4.320.0000.00616.73
7.4.300.0060.00016.73
7.4.290.0080.00016.75
7.4.280.0050.00316.79
7.4.270.0030.00316.64
7.4.260.0070.00016.64
7.4.250.0000.00716.52
7.4.240.0020.00616.71
7.4.230.0040.00416.40
7.4.220.0100.00716.65
7.4.210.0060.00916.75
7.4.200.0050.00216.60
7.4.160.0110.00516.54
7.4.150.0090.00817.40
7.4.140.0070.01017.86
7.4.130.0120.00816.72
7.4.120.0060.01016.69
7.4.110.0080.00816.70
7.4.100.0130.00716.54
7.4.90.0120.00616.70
7.4.80.0140.00716.54
7.4.70.0120.00616.72
7.4.60.0050.01016.66
7.4.50.0060.00316.59
7.4.40.0120.00616.66
7.4.30.0080.00816.55
7.4.00.0030.00914.86
7.3.330.0000.00513.13
7.3.320.0020.00213.09
7.3.310.0030.00316.34
7.3.300.0030.00316.20
7.3.290.0070.01116.39
7.3.280.0080.00816.32
7.3.270.0110.00717.40
7.3.260.0070.01816.30
7.3.250.0070.01016.43
7.3.240.0140.00316.52
7.3.230.0030.01316.39
7.3.210.0130.00316.58
7.3.200.0100.00719.39
7.3.190.0130.00616.20
7.3.180.0090.00616.61
7.3.170.0030.01316.31
7.3.160.0100.01116.30
7.3.00.0070.00716.50
7.2.330.0070.01016.48
7.2.320.0110.00716.64
7.2.310.0090.01316.62
7.2.300.0100.01316.58
7.2.290.0080.00816.86
7.2.130.0060.00916.57
7.2.120.0040.01517.03
7.2.110.0130.00916.82
7.2.100.0130.00616.58
7.2.90.0150.00716.95
7.2.80.0130.00316.91
7.2.70.0120.00816.93
7.2.60.0060.00916.73
7.2.50.0130.00616.95
7.2.40.0080.01216.97
7.2.30.0130.00316.71
7.2.20.0030.01016.91
7.2.10.0150.00316.97
7.2.00.0050.01118.13
7.1.250.0040.01215.45
7.1.240.0080.00815.37
7.1.230.0070.01015.69
7.1.220.0110.00415.37
7.1.210.0060.01115.81
7.1.200.0090.01215.61
7.1.190.0100.01015.89
7.1.180.0130.00315.72
7.1.170.0030.01715.95
7.1.160.0100.01015.61
7.1.150.0110.00715.57
7.1.140.0090.00615.88
7.1.130.0130.00315.81
7.1.120.0070.01015.80
7.1.110.0150.00415.58
7.1.100.0110.00416.96
7.1.90.0120.00515.65
7.1.80.0070.01415.60
7.1.70.0030.00916.53
7.1.60.0120.00917.50
7.1.50.0080.01116.25
7.1.40.0080.00815.53
7.1.30.0110.00015.48
7.1.20.0080.00815.80
7.1.10.0130.00315.61
7.1.00.0050.04319.03
7.0.330.0150.00015.27
7.0.320.0120.00615.44
7.0.310.0160.00715.23
7.0.300.0100.01014.92
7.0.290.0050.01415.49
7.0.280.0090.00914.84
7.0.270.0060.01215.23
7.0.260.0110.00415.17
7.0.250.0130.00415.09
7.0.240.0130.00415.03
7.0.230.0110.00515.13
7.0.220.0090.00915.07
7.0.210.0070.00715.14
7.0.200.0060.00715.86
7.0.190.0140.00615.23
7.0.180.0080.00815.33
7.0.170.0030.00915.38
7.0.160.0100.00715.03
7.0.150.0090.00715.30
7.0.140.0090.03918.55
7.0.130.0120.00615.28
7.0.120.0110.00515.23
7.0.110.0080.00815.28
7.0.100.0070.00715.24
7.0.90.0090.00315.09
7.0.80.0170.00315.45
7.0.70.0080.00814.92
7.0.60.0080.03817.57
7.0.50.0080.04116.76
7.0.40.0080.03616.82
7.0.30.0150.02116.93
7.0.20.0150.02716.79
7.0.10.0090.04016.72
7.0.00.0050.03016.86
5.6.380.0070.00514.18
5.6.370.0080.01013.98
5.6.360.0180.00014.00
5.6.350.0050.00914.16
5.6.340.0090.00914.13
5.6.330.0090.00714.01
5.6.320.0110.00513.79
5.6.310.0100.00713.77
5.6.300.0130.00313.77
5.6.290.0170.00314.08
5.6.280.0110.03517.47
5.6.270.0110.00413.63
5.6.260.0080.00813.81
5.6.250.0080.00814.20
5.6.240.0070.01113.74
5.6.230.0110.00613.81
5.6.220.0050.01114.22
5.6.210.0110.02817.18
5.6.200.0070.02215.92
5.6.190.0090.02217.12
5.6.180.0290.04116.98
5.6.170.0240.03817.40
5.6.160.0090.04717.22
5.6.150.0120.04215.84
5.6.140.0070.02616.14
5.6.130.0130.04316.29
5.6.120.0120.02917.69
5.6.110.0090.03717.59
5.6.100.0090.04617.45
5.6.90.0140.03717.70
5.6.80.0120.02217.31
5.6.70.0080.01214.48
5.6.60.0540.00014.04
5.6.50.0200.01014.40
5.6.40.0680.00713.95
5.6.30.0640.00714.39
5.6.20.0240.00614.35
5.6.10.0550.00314.34
5.6.00.0480.01714.18
5.5.380.0040.01110.38
5.5.370.0070.00410.83
5.5.360.0060.00610.49
5.5.350.0080.01815.48
5.5.340.0110.03814.23
5.5.330.0100.02115.61
5.5.320.0230.02615.34
5.5.310.0100.04115.46
5.5.300.0050.02414.42
5.5.290.0110.04114.51
5.5.280.0060.04215.89
5.5.270.0070.04315.84
5.5.260.0050.02915.75
5.5.250.0110.02715.68
5.5.240.0100.04215.44
5.5.230.0230.00310.84
5.5.220.0210.00411.10
5.5.210.0510.00311.09
5.5.200.0560.00311.09
5.5.190.0260.01010.78
5.5.180.0240.01010.82
5.5.170.0150.00010.95
5.5.160.0230.00010.82
5.5.150.0120.00611.09
5.5.140.0260.00610.64
5.5.130.0440.00311.04
5.5.120.0410.00611.05
5.5.110.0420.00311.09
5.5.100.0420.00611.09
5.5.90.0540.00311.04
5.5.80.0320.00310.55
5.5.70.0340.00310.96
5.5.60.0420.00010.73
5.5.50.0380.01011.06
5.5.40.0450.00610.82
5.5.30.0160.00310.84
5.5.20.0170.00710.81
5.5.10.0240.01410.74
5.5.00.0140.00510.68
5.4.450.0110.03115.09
5.4.440.0430.03015.08
5.4.430.0080.03115.03
5.4.420.0450.03015.22
5.4.410.0420.02715.14
5.4.400.0420.02814.95
5.4.390.0330.03715.01
5.4.380.0270.03214.76
5.4.370.0210.03114.78
5.4.360.0220.03214.69
5.4.350.0390.03814.75
5.4.340.0280.03014.76
5.4.330.0340.00611.06
5.4.320.0240.02211.72
5.4.310.0190.01911.73
5.4.300.0180.01911.56
5.4.290.0090.02211.55
5.4.280.0070.02111.52
5.4.270.0170.02211.36
5.4.260.0120.02011.52
5.4.250.0120.02211.53
5.4.240.0120.01811.52
5.4.230.0070.02211.44
5.4.220.0150.02211.41
5.4.210.0150.01711.51
5.4.200.0170.02111.50
5.4.190.0130.02011.45
5.4.180.0160.02411.42
5.4.170.0150.02911.48
5.4.160.0150.02011.43
5.4.150.0120.02011.55
5.4.140.0160.02111.43
5.4.130.0110.01611.54
5.4.120.0100.02411.50
5.4.110.0100.02311.40
5.4.100.0090.02411.32
5.4.90.0140.02211.31
5.4.80.0080.02711.46
5.4.70.0150.01811.25
5.4.60.0100.02511.29
5.4.50.0080.01811.39
5.4.40.0040.02611.40
5.4.30.0040.02711.46
5.4.20.0090.01911.42
5.4.10.0140.02211.34
5.4.00.0080.02011.17
5.3.290.0120.02111.62
5.3.280.0110.02311.52
5.3.270.0100.02011.49
5.3.260.0120.02111.58
5.3.250.0090.02111.51
5.3.240.0120.02011.56
5.3.230.0080.02111.60
5.3.220.0120.02011.46
5.3.210.0130.02311.49
5.3.200.0190.02011.50
5.3.190.0130.02211.51
5.3.180.0100.02111.46
5.3.170.0100.02211.57
5.3.160.0060.01911.57
5.3.150.0060.02411.58
5.3.140.0080.02211.59
5.3.130.0080.02711.57
5.3.120.0110.02211.63
5.3.110.0050.02311.46
5.3.100.0040.02211.29
5.3.90.0050.02511.28
5.3.80.0110.01711.17
5.3.70.0100.02311.18
5.3.60.0120.02111.27
5.3.50.0150.01711.13
5.3.40.0120.02111.13
5.3.30.0120.01911.10
5.3.20.0150.02111.04
5.3.10.0140.02010.98
5.3.00.0090.02210.97
5.2.170.0090.0179.72
5.2.160.0080.0199.72
5.2.150.0080.0179.72
5.2.140.0040.0219.72
5.2.130.0130.0179.70
5.2.120.0060.0199.70
5.2.110.0100.0159.70
5.2.100.0110.0169.70
5.2.90.0090.0139.70
5.2.80.0110.0179.70
5.2.70.0070.0219.70
5.2.60.0190.0169.67
5.2.50.0080.0199.66
5.2.40.0080.0169.65
5.2.30.0080.0209.64
5.2.20.0060.0199.63
5.2.10.0190.0169.58
5.2.00.0080.0169.51
5.1.60.0030.0179.16
5.1.50.0040.0169.16
5.1.40.0080.0139.14
5.1.30.0070.0139.32
5.1.20.0040.0179.33
5.1.10.0070.0149.19
5.1.00.0050.0189.20
5.0.50.0050.0158.43
5.0.40.0040.0108.36
5.0.30.0030.0168.27
5.0.20.0050.0128.25
5.0.10.0040.0168.24
5.0.00.0070.0158.24
4.4.90.0020.0107.52
4.4.80.0060.0087.51
4.4.70.0050.0107.51
4.4.60.0030.0107.51
4.4.50.0040.0097.51
4.4.40.0040.0127.48
4.4.30.0010.0117.51
4.4.20.0020.0107.55
4.4.10.0030.0147.55
4.4.00.0040.0177.51
4.3.110.0040.0127.46
4.3.100.0010.0097.46
4.3.90.0010.0127.44
4.3.80.0030.0167.42
4.3.70.0030.0097.44
4.3.60.0050.0077.44
4.3.50.0090.0117.44
4.3.40.0020.0157.39
4.3.30.0040.0096.77
4.3.20.0020.0126.76
4.3.10.0040.0126.74
4.3.00.0020.0158.62

preferences:
35.18 ms | 401 KiB | 5 Q