3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = "resource_id_heeelp_lala_klopsiki"; preg_match_all('/(_[\w]{1})/', $string, $matches); if(!empty($matches[0])){ foreach($matches[0] as $key){ $result = substr($key, 1, 1); //result is c print $key.'_'.$result.'<br />'; //$result1=str_replace($result,'',$key);//now your result1 is apitalize //$result2=ucfirst($result1); //now result2 is Apitalize //$finalresult=$result.$result2; ///now your finalresult is cApitalize preg_replace("/".$key."/", ucfirst($result), $string); } } print $string;

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)
8.3.60.0120.00616.88
8.3.50.0140.00722.17
8.3.40.0080.00819.04
8.3.30.0040.01119.07
8.3.20.0040.00420.16
8.3.10.0040.00423.36
8.3.00.0080.00019.51
8.2.180.0040.01118.72
8.2.170.0120.00622.96
8.2.160.0060.00920.23
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0060.00319.79
8.2.110.0030.00622.20
8.2.100.0000.01417.97
8.2.90.0000.00818.15
8.2.80.0000.00817.97
8.2.70.0060.00317.75
8.2.60.0060.00317.80
8.2.50.0000.00918.07
8.2.40.0000.00818.22
8.2.30.0030.00618.16
8.2.20.0070.00017.91
8.2.10.0040.00418.03
8.2.00.0030.00817.89
8.1.280.0100.01025.92
8.1.270.0090.00022.05
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0030.00722.44
8.1.230.0080.00420.90
8.1.220.0050.00317.74
8.1.210.0030.00518.97
8.1.200.0060.00317.35
8.1.190.0000.00817.39
8.1.180.0040.00418.10
8.1.170.0000.00818.69
8.1.160.0040.00421.95
8.1.150.0030.00518.78
8.1.140.0030.00517.64
8.1.130.0000.00717.86
8.1.120.0090.00017.46
8.1.110.0030.00517.62
8.1.100.0000.00717.49
8.1.90.0000.00717.66
8.1.80.0050.00317.63
8.1.70.0030.00317.59
8.1.60.0030.00617.74
8.1.50.0000.00817.54
8.1.40.0030.00517.59
8.1.30.0000.00817.67
8.1.20.0080.00017.81
8.1.10.0040.00417.59
8.1.00.0000.00817.64
8.0.300.0070.00019.95
8.0.290.0050.00216.88
8.0.280.0000.00718.41
8.0.270.0040.00417.29
8.0.260.0030.00317.29
8.0.250.0000.00817.15
8.0.240.0030.00317.09
8.0.230.0040.00417.06
8.0.220.0030.00316.95
8.0.210.0030.00317.04
8.0.200.0030.00617.14
8.0.190.0040.00417.09
8.0.180.0070.00017.00
8.0.170.0060.00316.96
8.0.160.0040.00417.07
8.0.150.0060.00317.01
8.0.140.0050.00217.02
8.0.130.0030.00313.48
8.0.120.0040.00417.02
8.0.110.0040.00417.02
8.0.100.0080.00016.87
8.0.90.0000.00716.94
8.0.80.0090.00616.98
8.0.70.0000.00717.00
8.0.60.0000.00717.01
8.0.50.0000.00816.87
8.0.30.0050.01417.47
8.0.20.0100.00717.40
8.0.10.0070.00016.98
8.0.00.0100.00817.05
7.4.330.0020.00215.00
7.4.320.0000.00716.61
7.4.300.0000.00616.82
7.4.290.0040.00416.86
7.4.280.0000.00816.64
7.4.270.0070.00016.65
7.4.260.0040.00416.66
7.4.250.0000.00816.79
7.4.240.0050.00216.79
7.4.230.0000.00716.91
7.4.220.0100.00716.65
7.4.210.0090.00516.79
7.4.200.0050.00216.93
7.4.190.0000.00716.68
7.4.160.0080.00816.64
7.4.150.0150.00317.40
7.4.140.0080.00917.86
7.4.130.0070.01016.67
7.4.120.0090.00816.80
7.4.110.0160.00316.57
7.4.100.0070.01116.89
7.4.90.0110.00716.66
7.4.80.0090.01319.39
7.4.70.0060.01016.66
7.4.60.0060.01116.72
7.4.50.0030.00616.82
7.4.40.0110.00722.77
7.4.30.0090.00616.73
7.4.00.0040.01415.02
7.3.330.0040.00313.39
7.3.320.0050.00013.38
7.3.310.0040.00416.42
7.3.300.0000.00716.45
7.3.290.0090.00716.43
7.3.280.0100.00616.44
7.3.270.0110.00717.40
7.3.260.0100.00916.93
7.3.250.0100.01016.53
7.3.240.0100.00716.64
7.3.230.0090.00916.66
7.3.210.0060.01016.77
7.3.200.0090.00919.39
7.3.190.0080.00816.57
7.3.180.0030.01216.75
7.3.170.0130.00616.67
7.3.160.0100.01016.48
7.3.120.0040.01114.96
7.2.330.0070.01116.71
7.2.320.0090.01016.83
7.2.310.0070.01016.90
7.2.300.0110.00716.78
7.2.290.0120.00416.87
7.1.70.0080.00817.13
7.1.60.0120.01219.33
7.1.50.0130.00717.30
7.1.00.0030.07722.59
7.0.200.0030.00316.61
7.0.140.0030.07322.08
7.0.60.0100.08319.93
7.0.50.0100.06317.82
7.0.40.0130.07320.05
7.0.30.0400.05020.02
7.0.20.0330.06320.18
7.0.10.0070.06720.03
7.0.00.0100.05720.00
5.6.210.0100.08320.47
5.6.200.0100.05318.21
5.6.190.0170.08020.39
5.6.180.0370.07020.35
5.6.170.0300.07720.40
5.6.160.0000.06320.37
5.6.150.0100.07718.22
5.6.140.0070.08318.14
5.6.130.0070.04718.12
5.6.120.0030.08321.02
5.6.110.0070.04321.14
5.6.100.0070.09021.02
5.6.90.0130.08021.03
5.6.80.0030.06320.52
5.6.70.3870.04320.39
5.5.350.0130.06720.43
5.5.340.0000.07317.97
5.5.330.0030.04320.15
5.5.320.0030.04320.34
5.5.310.0170.04320.41
5.5.300.0030.08318.00
5.5.290.0030.05717.88
5.5.280.0170.07020.89
5.5.270.0030.04320.96
5.5.260.0070.06320.96
5.5.250.0030.07020.61
5.5.240.0230.05020.15
5.4.450.0670.06719.48
5.4.440.0730.05019.55
5.4.430.0170.06019.47
5.4.420.0370.05719.47
5.4.410.0270.04319.37
5.4.400.0100.05719.18
5.4.390.0200.05319.30
5.4.380.0600.07018.51
5.4.370.0570.05018.46
5.4.360.0230.05718.71
5.4.350.0330.05018.73
5.4.340.0530.03718.68
5.4.320.0040.05112.45
5.4.310.0050.03912.45
5.4.300.0040.04112.45
5.4.290.0080.03512.45
5.4.280.0050.05412.34
5.4.270.0130.04812.34
5.4.260.0080.05212.34
5.4.250.0100.05012.33
5.4.240.0120.04012.34
5.4.230.0090.04112.32
5.4.220.0100.03612.33
5.4.210.0070.03912.33
5.4.200.0060.04212.33
5.4.190.0040.04512.32
5.4.180.0090.04012.32
5.4.170.0090.04112.33
5.4.160.0100.04812.33
5.4.150.0070.05212.32
5.4.140.0080.05412.01
5.4.130.0080.05011.99
5.4.120.0120.04911.95
5.4.110.0060.05511.95
5.4.100.0080.05111.95
5.4.90.0110.04411.95
5.4.80.0100.05211.95
5.4.70.0070.04811.95
5.4.60.0080.03611.94
5.4.50.0080.03711.95
5.4.40.0050.03911.93
5.4.30.0080.03711.93
5.4.20.0070.03811.93
5.4.10.0090.04411.93
5.4.00.0050.04911.42
5.3.290.0030.04412.80
5.3.280.0070.04112.71
5.3.270.0040.04412.72
5.3.260.0110.03812.72
5.3.250.0070.04012.72
5.3.240.0090.03812.71
5.3.230.0070.04212.71
5.3.220.0060.04112.68
5.3.210.0070.04212.68
5.3.200.0070.03912.68
5.3.190.0140.04612.68
5.3.180.0120.04712.67
5.3.170.0090.04912.66
5.3.160.0110.04812.67
5.3.150.0060.05312.67
5.3.140.0110.05112.66
5.3.130.0110.05312.66
5.3.120.0110.05012.66
5.3.110.0060.05712.66
5.3.100.0120.05112.12
5.3.90.0110.04712.08
5.3.80.0090.04712.08
5.3.70.0130.04312.08
5.3.60.0170.05012.07
5.3.50.0120.04612.00
5.3.40.0110.04812.00
5.3.30.0170.04011.94
5.3.20.0080.04711.72
5.3.10.0100.05011.68
5.3.00.0080.05011.67
5.2.170.0060.0479.16
5.2.160.0080.0419.16
5.2.150.0080.0419.16
5.2.140.0120.0389.16
5.2.130.0070.0449.11
5.2.120.0090.0429.12
5.2.110.0090.0369.13
5.2.100.0090.0389.13
5.2.90.0100.0409.13
5.2.80.0140.0519.13
5.2.70.0130.0749.12
5.2.60.0060.0739.07
5.2.50.0060.0459.05
5.2.40.0050.0429.02
5.2.30.0070.0419.00
5.2.20.0030.0428.99
5.2.10.0060.0398.90
5.2.00.0070.0428.77
5.1.60.0050.0388.05
5.1.50.0060.0398.05
5.1.40.0090.0368.03
5.1.30.0050.0438.38
5.1.20.0120.0518.40
5.1.10.0140.0498.13
5.1.00.0070.0528.13
5.0.50.0060.0336.61
5.0.40.0060.0296.46
5.0.30.0050.0506.28
5.0.20.0040.0296.25
5.0.10.0080.0316.23
5.0.00.0060.0446.22
4.4.90.0070.0234.78
4.4.80.0100.0224.75
4.4.70.0060.0224.75
4.4.60.0090.0214.75
4.4.50.0100.0234.77
4.4.40.0100.0324.71
4.4.30.0080.0204.76
4.4.20.0050.0234.85
4.4.10.0030.0224.84
4.4.00.0100.0284.76
4.3.110.0060.0224.67
4.3.100.0040.0234.66
4.3.90.0050.0214.64
4.3.80.0030.0344.58
4.3.70.0050.0204.63
4.3.60.0090.0194.63
4.3.50.0090.0214.63
4.3.40.0050.0334.54
4.3.30.0040.0183.28
4.3.20.0120.0153.26
4.3.10.0090.0163.22
4.3.00.0200.01310.30

preferences:
46.29 ms | 401 KiB | 5 Q