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); } echo "Index: ", $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)
8.3.60.0140.00416.50
8.3.50.0240.01021.91
8.3.40.0040.01118.69
8.3.30.0140.00018.75
8.3.20.0040.00420.19
8.3.10.0050.00323.48
8.3.00.0120.00017.50
8.2.180.0180.00316.63
8.2.170.0150.00322.96
8.2.160.0030.01020.53
8.2.150.0060.00324.18
8.2.140.0040.00424.66
8.2.130.0000.00826.16
8.2.120.0080.00022.13
8.2.110.0030.00620.39
8.2.100.0040.00717.72
8.2.90.0030.00617.75
8.2.80.0050.00317.97
8.2.70.0040.00417.49
8.2.60.0000.00818.04
8.2.50.0000.00818.07
8.2.40.0070.00018.22
8.2.30.0040.00418.13
8.2.20.0000.00817.67
8.2.10.0030.00519.90
8.2.00.0040.00817.63
8.1.280.0120.00625.92
8.1.270.0030.00623.79
8.1.260.0050.00326.35
8.1.250.0030.00528.09
8.1.240.0080.00023.95
8.1.230.0070.00320.88
8.1.220.0030.00517.79
8.1.210.0000.00818.77
8.1.200.0030.00617.23
8.1.190.0000.00817.40
8.1.180.0050.00318.10
8.1.170.0040.00718.47
8.1.160.0040.00422.01
8.1.150.0050.00218.45
8.1.140.0040.00417.25
8.1.130.0040.00417.80
8.1.120.0040.00417.29
8.1.110.0040.00417.42
8.1.100.0000.00717.34
8.1.90.0030.00417.29
8.1.80.0000.00717.36
8.1.70.0030.00317.34
8.1.60.0030.00517.57
8.1.50.0000.00817.45
8.1.40.0000.00717.41
8.1.30.0040.00417.54
8.1.20.0000.00717.63
8.1.10.0000.00817.44
8.1.00.0050.00217.41
8.0.300.0040.00419.65
8.0.290.0070.00017.18
8.0.280.0000.00718.51
8.0.270.0050.00217.32
8.0.260.0060.00017.24
8.0.250.0070.00016.88
8.0.240.0070.00016.95
8.0.230.0000.00716.86
8.0.220.0050.00316.86
8.0.210.0020.00516.73
8.0.200.0060.00016.82
8.0.190.0070.00016.89
8.0.180.0070.00016.80
8.0.170.0040.00416.76
8.0.160.0000.00816.86
8.0.150.0040.00416.74
8.0.140.0080.00016.67
8.0.130.0000.00513.29
8.0.120.0030.00516.71
8.0.110.0040.00416.73
8.0.100.0060.00316.73
8.0.90.0000.00716.75
8.0.80.0120.00316.80
8.0.70.0000.00716.77
8.0.60.0040.00416.72
8.0.50.0000.00716.68
8.0.30.0100.00817.00
8.0.20.0140.00517.40
8.0.10.0050.00316.86
8.0.00.0090.00816.59
7.4.330.0040.00415.00
7.4.320.0030.00316.45
7.4.300.0000.00616.52
7.4.290.0080.00016.57
7.4.280.0030.00516.41
7.4.270.0060.00016.40
7.4.260.0000.00716.54
7.4.250.0030.00316.42
7.4.240.0060.00116.37
7.4.230.0070.00016.54
7.4.220.0150.00316.30
7.4.210.0060.00916.49
7.4.200.0030.00316.57
7.4.190.0030.00316.63
7.4.160.0070.01516.35
7.4.150.0070.01017.40
7.4.140.0090.00917.86
7.4.130.0080.00816.38
7.4.120.0070.01016.47
7.4.110.0090.00916.40
7.4.100.0120.00616.45
7.4.90.0170.00316.51
7.4.80.0060.01519.39
7.4.70.0070.00716.30
7.4.60.0100.00716.61
7.4.50.0040.00416.29
7.4.40.0000.01222.77
7.4.30.0100.01016.37
7.4.00.0060.00915.15
7.3.330.0020.00213.00
7.3.320.0060.00013.18
7.3.310.0000.00716.33
7.3.300.0000.00716.25
7.3.290.0080.00616.31
7.3.280.0120.00816.23
7.3.270.0090.00917.40
7.3.260.0200.00316.42
7.3.250.0100.00616.54
7.3.240.0060.01016.29
7.3.230.0150.00616.40
7.3.210.0180.00016.29
7.3.200.0080.00919.39
7.3.190.0070.01016.55
7.3.180.0100.00616.55
7.3.170.0090.01316.27
7.3.160.0080.00816.32
7.3.120.0040.01114.67
7.3.10.0030.00916.45
7.3.00.0090.00616.39
7.2.330.0090.00916.70
7.2.320.0070.01116.51
7.2.310.0100.00616.76
7.2.300.0100.00716.73
7.2.290.0100.00716.74
7.2.130.0070.01016.41
7.2.120.0000.01516.58
7.2.110.0030.00816.56
7.2.100.0070.00616.70
7.2.90.0000.01616.86
7.2.80.0090.00916.71
7.2.70.0070.00716.85
7.2.60.0080.01116.59
7.2.50.0050.00916.66
7.2.40.0030.01016.87
7.2.30.0100.00716.73
7.2.20.0030.01016.45
7.2.10.0090.00616.61
7.2.00.0070.01018.06
7.1.250.0100.01015.68
7.1.200.0090.00315.75
7.1.100.0090.00318.27
7.1.70.0060.00917.26
7.1.60.0140.01019.33
7.1.50.0070.01016.96
7.1.00.0070.07322.33
7.0.200.0090.00316.61
7.0.140.0070.07022.15
7.0.60.0030.07319.92
7.0.50.0070.03717.85
7.0.40.0070.06720.27
7.0.30.0270.06020.17
7.0.20.0200.08320.13
7.0.10.0070.07020.00
7.0.00.0130.07720.01
5.6.280.0000.07720.86
5.6.210.0100.06320.74
5.6.200.0070.05018.21
5.6.190.0130.03320.63
5.6.180.0300.07320.58
5.6.170.0200.05320.33
5.6.160.0030.05020.46
5.6.150.0070.06018.09
5.6.140.0100.06318.17
5.6.130.0030.05718.17
5.6.120.0030.09020.98
5.6.110.0130.08021.11
5.6.100.0000.06320.88
5.6.90.0100.08020.98
5.6.80.0030.06020.33
5.6.70.4370.04020.49
5.5.350.0230.03720.28
5.5.340.0070.08018.01
5.5.330.0030.05720.15
5.5.320.0270.04320.13
5.5.310.0200.08320.29
5.5.300.0030.08017.96
5.5.290.0030.05018.00
5.5.280.0000.09020.87
5.5.270.0070.08320.72
5.5.260.0130.08020.75
5.5.250.0100.08020.60
5.5.240.0330.06320.12
5.4.450.0970.06719.48
5.4.440.0370.05719.45
5.4.430.0070.06319.46
5.4.420.0630.00019.50
5.4.410.0170.07718.79
5.4.400.0370.04018.81
5.4.390.0100.05718.56
5.4.380.0170.05318.53
5.4.370.0200.04018.61
5.4.360.0030.04318.46
5.4.350.0060.03511.98
5.4.340.0050.03511.97
5.4.320.0070.03612.46
5.4.310.0060.03912.45
5.4.300.0110.04112.46
5.4.290.0110.03812.45
5.4.280.0060.03712.35
5.4.270.0060.03512.35
5.4.260.0070.04412.35
5.4.250.0040.04312.35
5.4.240.0050.05312.35
5.4.230.0080.04112.34
5.4.220.0110.03812.34
5.4.210.0030.03712.34
5.4.200.0080.03612.34
5.4.190.0080.03212.34
5.4.180.0060.03512.34
5.4.170.0120.04712.34
5.4.160.0230.03912.32
5.4.150.0180.04212.32
5.4.140.0140.04512.01
5.4.130.0150.04412.00
5.4.120.0150.04211.95
5.4.110.0140.04411.95
5.4.100.0190.04111.95
5.4.90.0150.04411.94
5.4.80.0160.04311.94
5.4.70.0180.03911.94
5.4.60.0120.04611.94
5.4.50.0190.03911.94
5.4.40.0130.04511.93
5.4.30.0110.04711.93
5.4.20.0160.04111.93
5.4.10.0180.04111.93
5.4.00.0180.03711.41
5.3.290.0060.04412.80
5.3.280.0050.04012.70
5.3.270.0200.04512.72
5.3.260.0160.04812.72
5.3.250.0160.04412.72
5.3.240.0170.04412.72
5.3.230.0210.04112.71
5.3.220.0150.04612.68
5.3.210.0120.04912.68
5.3.200.0200.04412.68
5.3.190.0150.04812.68
5.3.180.0170.04412.68
5.3.170.0180.04212.67
5.3.160.0150.04512.67
5.3.150.0130.04712.67
5.3.140.0180.04212.66
5.3.130.0150.04812.66
5.3.120.0210.04312.66
5.3.110.0190.04312.66
5.3.100.0110.05012.12
5.3.90.0180.04112.09
5.3.80.0130.04812.08
5.3.70.0180.04212.07
5.3.60.0120.04912.06
5.3.50.0150.04612.00
5.3.40.0160.04512.00
5.3.30.0200.03911.95
5.3.20.0120.04811.73
5.3.10.0160.04111.69
5.3.00.0140.04311.67
5.2.170.0140.0349.18
5.2.160.0120.0399.18
5.2.150.0130.0369.18
5.2.140.0100.0389.18
5.2.130.0150.0349.14
5.2.120.0150.0339.13
5.2.110.0120.0369.14
5.2.100.0120.0359.14
5.2.90.0150.0339.13
5.2.80.0090.0389.13
5.2.70.0150.0359.13
5.2.60.0130.0359.08
5.2.50.0140.0359.05
5.2.40.0130.0359.03
5.2.30.0120.0369.00
5.2.20.0170.0319.00
5.2.10.0130.0358.93
5.2.00.0070.0398.78
5.1.60.0150.0268.07
5.1.50.0140.0278.07
5.1.40.0060.0358.05
5.1.30.0120.0338.39
5.1.20.0140.0308.43
5.1.10.0150.0308.15
5.1.00.0100.0348.14
5.0.50.0080.0266.62
5.0.40.0070.0256.48
5.0.30.0090.0356.30
5.0.20.0090.0236.27
5.0.10.0070.0246.25
5.0.00.0100.0356.23
4.4.90.0070.0194.78
4.4.80.0070.0204.76
4.4.70.0080.0184.76
4.4.60.0090.0174.76
4.4.50.0100.0154.77
4.4.40.0050.0314.71
4.4.30.0060.0204.76
4.4.20.0050.0204.84
4.4.10.0080.0174.85
4.4.00.0050.0324.76
4.3.110.0060.0194.67
4.3.100.0080.0174.67
4.3.90.0100.0154.64
4.3.80.0060.0294.59
4.3.70.0060.0194.63
4.3.60.0050.0194.63
4.3.50.0050.0204.63
4.3.40.0070.0274.54
4.3.30.0060.0183.30
4.3.20.0070.0163.29
4.3.10.0060.0173.26
4.3.00.0100.0207.81

preferences:
44.65 ms | 401 KiB | 5 Q