3v4l.org

run code in 300+ PHP versions simultaneously
<?php $html = '<div class="whatever col-md-5 etc">foo</div>'; $regex = '#col-md-5#'; $html = preg_replace($regex, 'col-md-12', $html); echo $html;

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)
8.3.60.0100.00716.48
8.3.50.0120.00316.54
8.3.40.0090.00618.73
8.3.30.0150.00019.02
8.3.20.0040.00421.95
8.3.10.0080.00023.65
8.3.00.0030.00518.96
8.2.180.0070.00718.54
8.2.170.0110.00722.96
8.2.160.0110.00420.44
8.2.150.0000.00724.18
8.2.140.0080.00024.66
8.2.130.0000.00726.16
8.2.120.0050.00321.07
8.2.110.0080.00320.92
8.2.100.0040.01119.29
8.2.90.0000.00818.16
8.2.80.0040.00417.97
8.2.70.0000.00817.68
8.2.60.0050.00317.75
8.2.50.0070.00318.10
8.2.40.0070.00020.60
8.2.30.0000.00719.32
8.2.20.0040.00418.18
8.2.10.0000.00718.19
8.2.00.0000.00818.19
8.1.280.0120.00625.92
8.1.270.0040.00420.43
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0030.00619.21
8.1.230.0110.00022.81
8.1.220.0060.00317.79
8.1.210.0050.00318.91
8.1.200.0000.00817.35
8.1.190.0030.00617.35
8.1.180.0000.00818.10
8.1.170.0000.00818.88
8.1.160.0040.00418.88
8.1.150.0070.00018.93
8.1.140.0020.00517.61
8.1.130.0000.01019.22
8.1.120.0000.00717.58
8.1.110.0030.00517.56
8.1.100.0040.00417.43
8.1.90.0030.00517.57
8.1.80.0000.00717.52
8.1.70.0030.00617.43
8.1.60.0090.00017.67
8.1.50.0090.00017.55
8.1.40.0000.00717.60
8.1.30.0070.00317.63
8.1.20.0030.00617.73
8.1.10.0040.00417.68
8.1.00.0040.00417.48
8.0.300.0000.00721.87
8.0.290.0030.00616.88
8.0.280.0030.00518.32
8.0.270.0000.00717.32
8.0.260.0000.00716.96
8.0.250.0000.00717.12
8.0.240.0000.00717.02
8.0.230.0030.00316.99
8.0.220.0000.00817.00
8.0.210.0000.00716.93
8.0.200.0060.00016.89
8.0.190.0000.00816.98
8.0.180.0040.00416.98
8.0.170.0050.00316.85
8.0.160.0030.00317.04
8.0.150.0030.00316.86
8.0.140.0030.00716.86
8.0.130.0030.00313.39
8.0.120.0070.00016.84
8.0.110.0040.00416.91
8.0.100.0000.00716.83
8.0.90.0000.00716.83
8.0.80.0060.00916.98
8.0.70.0050.00316.92
8.0.60.0040.00416.86
8.0.50.0040.00416.86
8.0.30.0100.00817.08
8.0.20.0110.01217.40
8.0.10.0000.00816.98
8.0.00.0050.01216.87
7.4.330.0050.00015.55
7.4.320.0000.00616.57
7.4.300.0000.00616.65
7.4.290.0030.00316.52
7.4.280.0040.00416.73
7.4.270.0040.00416.64
7.4.260.0000.00816.71
7.4.250.0000.00716.67
7.4.240.0070.00016.74
7.4.230.0030.00316.44
7.4.220.0040.00416.53
7.4.210.0090.00516.74
7.4.200.0040.00416.84
7.4.160.0090.01116.69
7.4.140.0080.01117.86
7.4.130.0120.01216.83
7.4.120.0120.00716.69
7.4.110.0130.00416.54
7.4.100.0110.00616.66
7.4.90.0100.01016.65
7.4.80.0160.01419.39
7.4.70.0120.00616.55
7.4.60.0070.01716.54
7.4.50.0070.00716.59
7.4.40.0110.01116.46
7.4.10.0110.00715.27
7.4.00.0060.01015.09
7.3.330.0050.00013.24
7.3.320.0030.00313.07
7.3.310.0000.00816.42
7.3.300.0030.00316.23
7.3.290.0120.00316.41
7.3.280.0110.00616.36
7.3.260.0130.00716.42
7.3.240.0100.00816.35
7.3.230.0210.00316.79
7.3.210.0080.00816.34
7.3.200.0060.01116.49
7.3.190.0030.01316.58
7.3.180.0070.01116.68
7.3.170.0100.00716.53
7.3.160.0070.01316.53
7.3.130.0060.01214.50
7.3.120.0060.00614.73
7.3.110.0030.01615.14
7.3.100.0040.01114.84
7.3.90.0070.01014.80
7.3.80.0030.00915.04
7.3.70.0110.00414.39
7.3.60.0060.00314.84
7.3.50.0070.00714.48
7.3.40.0110.00414.92
7.3.30.0070.00714.53
7.3.20.0110.00416.61
7.3.10.0060.00716.68
7.3.00.0080.00516.72
7.2.330.0070.01016.71
7.2.320.0200.00316.73
7.2.310.0080.00816.69
7.2.300.0060.01216.63
7.2.290.0060.01216.69
7.2.260.0000.01715.30
7.2.250.0000.01915.03
7.2.240.0110.00315.33
7.2.230.0080.00815.05
7.2.220.0030.01215.04
7.2.210.0060.00615.04
7.2.200.0040.01115.32
7.2.190.0000.01414.99
7.2.180.0100.00314.89
7.2.170.0090.00315.22
7.2.160.0000.01415.27
7.2.150.0070.00717.02
7.2.140.0100.00316.96
7.2.130.0090.00617.08
7.2.120.0050.01017.05
7.2.110.0070.00117.01
7.2.100.0020.01016.85
7.2.90.0060.00816.87
7.2.80.0000.01016.99
7.2.70.0030.00917.03
7.2.60.0100.00417.02
7.2.50.0050.00816.96
7.2.40.0150.00817.43
7.2.30.0180.01217.32
7.2.20.0100.00817.43
7.2.10.0160.00817.37
7.2.00.0160.00617.28
7.1.330.0120.00415.77
7.1.320.0030.01015.79
7.1.310.0090.00615.99
7.1.300.0030.01416.11
7.1.290.0030.01115.70
7.1.280.0060.00616.14
7.1.270.0000.00815.75
7.1.260.0030.01015.91
7.1.250.0040.00715.82
7.1.240.0030.01315.87
7.1.230.0060.00316.00
7.1.220.0000.00916.10
7.1.210.0030.00915.99
7.1.200.0080.00615.75
7.1.190.0030.00915.71
7.1.180.0000.00915.82
7.1.170.0000.01315.97
7.1.160.0160.01116.43
7.1.150.0180.01016.32
7.1.140.0130.01316.58
7.1.130.0120.01216.43
7.1.120.0130.01016.46
7.1.110.0140.01016.24
7.1.100.0090.01116.04
7.1.90.0170.01115.98
7.1.80.0210.01016.10
7.1.70.0190.01015.57
7.1.60.0320.01324.63
7.1.50.0320.01424.28
7.1.40.0370.01024.36
7.1.30.0330.01424.16
7.1.20.0580.01224.38
7.1.10.0220.01015.47
7.1.00.0130.00915.60
7.0.330.0030.00715.47
7.0.320.0060.00615.46
7.0.310.0030.01315.32
7.0.300.0060.00915.78
7.0.290.0100.01015.29
7.0.280.0100.01015.77
7.0.270.0030.01015.59
7.0.260.0070.00715.40
7.0.250.0030.01015.69
7.0.240.0060.00315.23
7.0.230.0060.00615.46
7.0.220.0040.00815.30
7.0.210.0030.00715.54
7.0.200.0030.01215.48
7.0.190.0070.01015.27
7.0.180.0070.00715.57
7.0.170.0030.00615.68
7.0.160.0070.01115.70
7.0.150.0070.00715.22
7.0.140.0040.00715.49
7.0.130.0040.01115.56
7.0.120.0030.00815.70
7.0.110.0030.00615.68
7.0.100.0000.00915.31
7.0.90.0060.00615.64
7.0.80.0130.00015.68
7.0.70.0030.00615.68
7.0.60.0040.01115.67
7.0.50.0030.00715.48
7.0.40.0040.00413.89
7.0.30.0040.01113.89
7.0.20.0040.00713.89
7.0.10.0060.00613.89
7.0.00.0030.00913.89
5.6.400.0070.00814.05
5.6.390.0060.00614.53
5.6.380.0000.01314.14
5.6.370.0000.01414.11
5.6.360.0000.00914.54
5.6.350.0150.00013.92
5.6.340.0110.00314.12
5.6.330.0060.00914.38
5.6.320.0030.01414.33
5.6.310.0070.01014.40
5.6.300.0090.00414.26
5.6.290.0030.00714.03
5.6.280.0030.00814.07
5.6.270.0000.01414.25
5.6.260.0060.00614.11
5.6.250.0110.00314.37
5.6.240.0100.00714.47
5.6.230.0120.00414.29
5.6.220.0000.00914.25
5.6.210.0070.00714.11
5.6.200.0000.00814.02
5.6.190.0070.00314.36
5.6.180.0030.01414.13
5.6.170.0060.00614.14
5.6.160.0080.00014.38
5.6.150.0050.00314.44
5.6.140.0040.00814.23
5.6.130.0030.00914.48
5.6.120.0030.00614.39
5.6.110.0090.00614.34
5.6.100.0060.00814.47
5.6.90.0000.01414.46
5.6.80.0030.01014.13
5.6.70.0060.00314.20
5.6.60.0030.00714.21
5.6.50.0070.00714.29
5.6.40.0130.00014.39
5.6.30.0070.00713.98
5.6.20.0040.01214.33
5.6.10.0000.00814.18
5.6.00.0030.01014.11

preferences:
70.35 ms | 400 KiB | 5 Q