3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = "[vc_tab [vc_tab [vc_tab [vc_tab [vc_tab [vc_tab"; $active = 3; $needle = "[vc_tab"; $replace = '[vc_tab active="true"'; if( substr_count( $string, $needle) < $active) { throw new Exception("There aren't enough needles in the string to do this replacement"); } $count = 0; $index = 0; while( $count++ < $active) { $index = strpos( $string, $needle, $index) + strlen( $needle); } echo "Index: ", $index, " ", substr( $string, $index);

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)
8.3.60.0090.00616.38
8.3.50.0100.00922.01
8.3.40.0120.00318.71
8.3.30.0070.00719.04
8.3.20.0070.00020.16
8.3.10.0080.00023.54
8.3.00.0060.00319.02
8.2.180.0140.00416.50
8.2.170.0090.00622.96
8.2.160.0040.01120.29
8.2.150.0030.00524.18
8.2.140.0030.00524.66
8.2.130.0030.00526.16
8.2.120.0000.00720.77
8.2.110.0090.00020.40
8.2.100.0070.00419.63
8.2.90.0000.00719.28
8.2.80.0060.00317.97
8.2.70.0100.00017.63
8.2.60.0030.00918.03
8.2.50.0030.00618.07
8.2.40.0000.00819.85
8.2.30.0050.00218.24
8.2.20.0040.00417.74
8.2.10.0050.00318.01
8.2.00.0000.00717.66
8.1.280.0100.01025.92
8.1.270.0080.00023.91
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0030.00623.97
8.1.230.0080.00418.96
8.1.220.0000.00817.80
8.1.210.0000.00818.77
8.1.200.0080.00017.22
8.1.190.0040.00416.98
8.1.180.0110.00418.10
8.1.170.0030.00518.46
8.1.160.0030.00521.96
8.1.150.0070.00018.45
8.1.140.0060.00317.33
8.1.130.0000.00717.83
8.1.120.0070.00017.43
8.1.110.0040.00417.29
8.1.100.0050.00217.35
8.1.90.0050.00317.40
8.1.80.0040.00417.42
8.1.70.0030.00317.38
8.1.60.0000.00817.53
8.1.50.0040.00417.48
8.1.40.0030.00617.48
8.1.30.0080.00017.50
8.1.20.0080.00017.68
8.1.10.0040.00417.50
8.1.00.0080.00017.50
8.0.300.0040.00418.77
8.0.290.0070.00017.05
8.0.280.0030.00318.46
8.0.270.0000.00717.27
8.0.260.0050.00217.27
8.0.250.0000.00716.96
8.0.240.0030.00316.88
8.0.230.0030.00316.77
8.0.220.0030.00316.73
8.0.210.0040.00416.85
8.0.200.0040.00416.95
8.0.190.0070.00016.90
8.0.180.0070.00016.75
8.0.170.0040.00416.85
8.0.160.0050.00216.71
8.0.150.0040.00416.68
8.0.140.0080.00016.77
8.0.130.0030.00313.26
8.0.120.0040.00416.80
8.0.110.0040.00416.75
8.0.100.0050.00516.63
8.0.90.0000.00716.90
8.0.80.0140.00716.77
8.0.70.0040.00416.86
8.0.60.0080.00016.71
8.0.50.0050.00216.67
8.0.30.0130.00416.83
8.0.20.0080.01117.40
8.0.10.0000.00716.97
8.0.00.0110.00616.92
7.4.330.0050.00015.03
7.4.320.0060.00016.40
7.4.300.0030.00316.48
7.4.290.0000.00716.44
7.4.280.0060.00316.45
7.4.270.0000.00716.54
7.4.260.0000.00716.41
7.4.250.0040.00416.41
7.4.240.0060.00216.51
7.4.230.0030.00316.45
7.4.220.0070.01016.66
7.4.210.0060.00916.61
7.4.200.0040.00416.45
7.4.190.0000.00716.71
7.4.160.0110.00516.59
7.4.150.0130.00717.40
7.4.140.0180.02017.86
7.4.130.0080.01016.48
7.4.120.0060.01116.52
7.4.110.0070.01416.46
7.4.100.0100.00716.53
7.4.90.0040.01316.30
7.4.80.0110.00719.39
7.4.70.0130.00316.43
7.4.60.0190.00016.35
7.4.50.0040.00416.36
7.4.40.0080.00816.23
7.4.30.0050.01116.46
7.4.00.0030.01215.10
7.3.330.0070.00013.17
7.3.320.0030.00313.20
7.3.310.0000.00716.36
7.3.300.0040.00416.36
7.3.290.0100.00316.33
7.3.280.0080.01016.33
7.3.270.0090.00917.40
7.3.260.0110.00716.33
7.3.250.0090.01016.52
7.3.240.0120.00816.52
7.3.230.0090.00916.44
7.3.210.0030.01616.31
7.3.200.0100.01019.39
7.3.190.0130.00316.63
7.3.180.0080.00816.49
7.3.170.0120.00316.50
7.3.160.0080.00816.36
7.3.120.0000.01414.46
7.3.110.0070.00714.79
7.3.100.0060.01015.11
7.3.90.0030.01015.04
7.3.80.0060.00914.99
7.3.70.0030.00914.79
7.3.60.0070.00714.93
7.3.50.0040.00714.75
7.3.40.0030.00714.85
7.3.30.0080.00314.87
7.3.20.0060.00616.68
7.3.10.0100.00316.63
7.3.00.0040.01316.60
7.2.330.0080.00816.73
7.2.320.0070.01716.71
7.2.310.0060.00916.70
7.2.300.0100.01316.54
7.2.290.0100.00716.45
7.2.240.0030.01315.19
7.2.230.0090.00315.30
7.2.220.0070.00715.21
7.2.210.0060.01214.96
7.2.200.0070.01015.08
7.2.190.0030.01414.94
7.2.180.0120.00314.90
7.2.170.0000.01614.92
7.2.160.0100.00715.08
7.2.150.0120.00316.58
7.2.140.0030.01516.72
7.2.130.0100.00517.02
7.2.120.0060.00916.77
7.2.110.0050.00516.84
7.2.100.0040.01316.71
7.2.90.0090.00516.86
7.2.80.0050.01116.85
7.2.70.0080.00616.71
7.2.60.0040.00916.97
7.2.50.0050.01016.90
7.2.40.0060.00817.03
7.2.30.0080.00717.07
7.2.20.0120.00216.91
7.2.10.0080.00816.92
7.2.00.0050.00617.58
7.1.330.0030.00915.93
7.1.320.0100.00615.75
7.1.310.0060.00616.14
7.1.300.0030.01115.76
7.1.290.0060.01115.78
7.1.280.0070.00316.01
7.1.270.0080.00615.93
7.1.260.0070.01015.83
7.1.250.0080.00515.92
7.1.240.0100.00315.65
7.1.230.0030.01215.68
7.1.220.0030.00715.68
7.1.210.0080.00415.66
7.1.200.0070.00315.83
7.1.190.0070.01015.88
7.1.180.0000.01115.90
7.1.170.0110.00315.79
7.1.160.0070.00716.00
7.1.150.0030.01015.79
7.1.140.0040.01115.69
7.1.130.0070.00415.64
7.1.120.0090.00315.84
7.1.110.0030.00615.71
7.1.100.0030.00916.81
7.1.90.0080.00815.82
7.1.80.0120.00315.76
7.1.70.0000.00916.43
7.1.60.0050.01417.58
7.1.50.0130.01025.37
7.1.40.0110.00315.77
7.1.30.0070.00715.62
7.1.20.0070.01015.88
7.1.10.0070.00315.88
7.1.00.0020.04519.04
7.0.330.0040.00715.39
7.0.320.0060.01015.28
7.0.310.0080.00815.30
7.0.300.0080.00815.46
7.0.290.0000.01115.27
7.0.280.0000.00915.41
7.0.270.0070.00715.51
7.0.260.0040.01115.32
7.0.250.0060.00615.43
7.0.240.0060.00615.45
7.0.230.0040.01115.36
7.0.220.0030.00815.30
7.0.210.0130.00015.34
7.0.200.0000.00916.10
7.0.190.0060.00315.45
7.0.180.0000.01415.46
7.0.170.0030.00615.42
7.0.160.0030.00615.27
7.0.150.0030.00715.25
7.0.140.0050.03918.72
7.0.130.0030.00515.52
7.0.120.0130.00315.39
7.0.110.0060.00915.46
7.0.100.0040.00415.43
7.0.90.0080.00815.54
7.0.80.0060.00915.42
7.0.70.0070.01015.21
7.0.60.0070.01918.64
7.0.50.0040.02018.69
7.0.40.0000.02516.85
7.0.30.0040.02616.67
7.0.20.0050.02016.85
7.0.10.0050.02016.75
7.0.00.0040.02916.79
5.6.380.0040.01214.23
5.6.370.0030.00614.32
5.6.360.0060.00314.55
5.6.350.0040.00814.31
5.6.340.0070.01014.11
5.6.330.0080.00814.02
5.6.320.0080.00814.29
5.6.310.0080.00614.35
5.6.300.0090.00614.27
5.6.290.0030.00614.52
5.6.280.0030.04017.73
5.6.270.0110.00314.52
5.6.260.0060.00314.25
5.6.250.0030.01014.30
5.6.240.0040.00814.32
5.6.230.0000.01114.55
5.6.220.0130.00314.22
5.6.210.0050.01817.46
5.6.200.0000.02917.62
5.6.190.0040.02017.77
5.6.180.0010.02117.64
5.6.170.0030.02317.55
5.6.160.0010.03617.60
5.6.150.0060.04117.67
5.6.140.0030.04817.73
5.6.130.0050.04517.63
5.6.120.0050.04717.63
5.6.110.0050.04617.56
5.6.100.0020.03117.68
5.6.90.0110.04017.70
5.6.80.0050.04117.34
5.6.70.0050.04017.35
5.6.60.0050.04017.32
5.6.50.0070.03717.28
5.6.40.0040.04417.40
5.6.30.0040.03517.22
5.6.20.0080.03617.43
5.6.10.0010.04517.45
5.6.00.0050.03317.27
5.5.380.0020.00511.19
5.5.370.0060.00611.18
5.5.360.0030.00611.18
5.5.350.0020.02115.78
5.5.340.0020.01915.93
5.5.330.0040.01916.04
5.5.320.0020.02516.07
5.5.310.0030.01916.09
5.5.300.0060.03315.97
5.5.290.0080.03815.98
5.5.280.0050.03816.04
5.5.270.0030.04715.98
5.5.260.0030.04615.97
5.5.250.0010.03615.89
5.5.240.0050.04215.77
5.5.230.0030.04315.72
5.5.220.0000.04515.71
5.5.210.0080.04015.64
5.5.200.0120.03715.72
5.5.190.0050.03315.68
5.5.180.0070.04115.63
5.5.170.0100.00011.18
5.5.160.0070.03915.68
5.5.150.0020.04415.59
5.5.140.0070.03815.64
5.5.130.0030.04415.73
5.5.120.0030.04415.72
5.5.110.0000.04415.66
5.5.100.0080.03215.64
5.5.90.0050.03715.70
5.5.80.0020.04215.69
5.5.70.0050.04215.63
5.5.60.0080.03815.58
5.5.50.0050.04115.63
5.5.40.0050.04015.64
5.5.30.0070.03315.68
5.5.20.0100.02715.69
5.5.10.0070.04015.58
5.5.00.0040.04115.57
5.4.450.0060.04115.23
5.4.440.0040.04215.33
5.4.430.0080.02515.22
5.4.420.0030.04215.20
5.4.410.0040.03015.16
5.4.400.0030.04115.13
5.4.390.0060.04015.19
5.4.380.0050.03015.12
5.4.370.0030.03515.01
5.4.360.0080.03815.19
5.4.350.0060.03315.17
5.4.340.0050.03015.12
5.4.330.0030.00311.18
5.4.320.0050.04015.08
5.4.310.0060.04015.09
5.4.300.0060.04015.12
5.4.290.0050.03515.11
5.4.280.0080.04015.17
5.4.270.0050.04215.12
5.4.260.0080.03715.01
5.4.250.0050.03615.04
5.4.240.0050.03715.18
5.4.230.0040.04015.13
5.4.220.0000.04415.01
5.4.210.0030.04015.16
5.4.200.0020.04015.07
5.4.190.0080.03115.03
5.4.180.0060.03815.08
5.4.170.0030.03615.11
5.4.160.0080.03815.12
5.4.150.0090.03815.00
5.4.140.0030.03813.81
5.4.130.0050.03613.75
5.4.120.0050.03713.69
5.4.110.0010.04313.71
5.4.100.0030.03813.74
5.4.90.0070.03513.68
5.4.80.0070.03513.72
5.4.70.0030.03813.71
5.4.60.0050.03013.73
5.4.50.0040.04013.67
5.4.40.0030.03813.76
5.4.30.0020.03413.71
5.4.20.0050.03813.80
5.4.10.0050.03813.80
5.4.00.0070.03513.51
5.3.290.0050.03612.83
5.3.280.0050.04012.85
5.3.270.0050.03712.88
5.3.260.0030.03812.86
5.3.250.0050.04312.88
5.3.240.0050.03512.86
5.3.230.0080.03712.88
5.3.220.0030.03912.83
5.3.210.0060.03812.85
5.3.200.0030.03512.83
5.3.190.0050.03812.84
5.3.180.0050.03812.83
5.3.170.0060.03012.79
5.3.160.0080.03812.83
5.3.150.0030.04212.82
5.3.140.0050.02812.83
5.3.130.0090.03812.84
5.3.120.0080.03712.84
5.3.110.0050.04012.85
5.3.100.0020.04012.52
5.3.90.0030.03212.58
5.3.80.0020.03812.58
5.3.70.0040.03912.48
5.3.60.0020.04312.51
5.3.50.0060.03812.54
5.3.40.0050.03512.53
5.3.30.0000.04212.46
5.3.20.0000.04312.39
5.3.10.0020.03712.38
5.3.00.0030.03712.39
5.2.170.0050.03111.16
5.2.160.0030.03211.12
5.2.150.0050.03311.05
5.2.140.0020.03311.04
5.2.130.0050.02511.13
5.2.120.0050.03311.11
5.2.110.0020.03411.05
5.2.100.0010.02911.03
5.2.90.0000.03911.15
5.2.80.0040.03411.10
5.2.70.0020.02211.09
5.2.60.0070.02711.11
5.2.50.0030.02011.05
5.2.40.0020.03410.98
5.2.30.0030.03210.99
5.2.20.0050.01511.06
5.2.10.0040.02710.94
5.2.00.0030.02510.97
5.1.60.0030.02410.84
5.1.50.0050.02110.84
5.1.40.0020.02710.84
5.1.30.0030.02010.84
5.1.20.0030.03110.84
5.1.10.0030.02710.84
5.1.00.0000.02510.84
5.0.50.0020.02410.84
5.0.40.0040.02010.84
5.0.30.0030.03010.84
5.0.20.0020.02410.84
5.0.10.0030.02110.84
5.0.00.0040.03310.84
4.4.90.0030.01610.84
4.4.80.0030.01010.84
4.4.70.0020.02010.84
4.4.60.0020.01510.84
4.4.50.0010.01610.84
4.4.40.0000.03010.84
4.4.30.0000.01810.84
4.4.20.0070.01510.84
4.4.10.0000.02110.84
4.4.00.0020.02810.84
4.3.110.0020.02110.84
4.3.100.0050.01710.84
4.3.90.0000.02210.84
4.3.80.0030.02610.84
4.3.70.0030.01510.84
4.3.60.0020.01510.84
4.3.50.0020.01510.84
4.3.40.0010.02810.84
4.3.30.0000.02010.84
4.3.20.0010.01510.84
4.3.10.0020.02010.84
4.3.00.0020.02010.84

preferences:
52.28 ms | 400 KiB | 5 Q