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 //$result1=str_replace($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)
8.3.60.0070.00718.68
8.3.50.0100.00522.19
8.3.40.0120.00918.78
8.3.30.0100.00319.08
8.3.20.0080.00020.21
8.3.10.0040.00421.90
8.3.00.0060.00319.50
8.2.180.0090.00616.88
8.2.170.0130.00722.96
8.2.160.0100.00320.39
8.2.150.0000.00924.18
8.2.140.0030.00524.66
8.2.130.0080.00026.16
8.2.120.0040.00422.33
8.2.110.0090.00022.33
8.2.100.0080.00418.16
8.2.90.0000.00819.17
8.2.80.0040.00417.97
8.2.70.0060.00318.00
8.2.60.0000.00818.03
8.2.50.0050.00318.07
8.2.40.0030.00618.34
8.2.30.0070.00018.04
8.2.20.0040.00417.84
8.2.10.0040.00418.09
8.2.00.0110.00018.03
8.1.280.0090.00925.92
8.1.270.0000.00822.19
8.1.260.0030.00626.35
8.1.250.0040.00428.09
8.1.240.0000.00923.96
8.1.230.0080.00319.05
8.1.220.0000.00817.76
8.1.210.0060.00618.77
8.1.200.0030.00617.48
8.1.190.0000.00817.41
8.1.180.0060.00318.10
8.1.170.0040.00418.77
8.1.160.0000.00822.03
8.1.150.0050.00318.84
8.1.140.0050.00217.49
8.1.130.0000.00717.80
8.1.120.0070.00417.63
8.1.110.0080.00017.62
8.1.100.0040.00417.53
8.1.90.0050.00217.62
8.1.80.0040.00417.62
8.1.70.0000.00717.59
8.1.60.0050.00317.65
8.1.50.0040.00417.73
8.1.40.0040.00417.68
8.1.30.0030.00617.74
8.1.20.0040.00417.65
8.1.10.0030.00517.72
8.1.00.0000.00817.62
8.0.300.0040.00419.21
8.0.290.0060.00317.15
8.0.280.0040.00418.33
8.0.270.0070.00017.34
8.0.260.0060.00017.32
8.0.250.0030.00517.19
8.0.240.0070.00017.16
8.0.230.0030.00317.18
8.0.220.0000.00817.05
8.0.210.0000.00717.14
8.0.200.0000.00717.08
8.0.190.0040.00417.04
8.0.180.0000.00717.10
8.0.170.0040.00417.17
8.0.160.0000.00717.05
8.0.150.0000.00717.04
8.0.140.0030.00517.00
8.0.130.0060.00013.53
8.0.120.0000.00716.96
8.0.110.0000.00717.00
8.0.100.0040.00417.13
8.0.90.0040.00417.01
8.0.80.0090.00617.00
8.0.70.0000.00817.16
8.0.60.0040.00417.16
8.0.50.0080.00017.10
8.0.30.0120.00817.26
8.0.20.0110.00917.40
8.0.10.0040.00417.32
8.0.00.0090.00916.96
7.4.330.0030.00315.00
7.4.320.0000.00716.76
7.4.300.0070.00016.77
7.4.290.0000.00716.80
7.4.280.0000.00816.81
7.4.270.0050.00316.73
7.4.260.0030.00316.83
7.4.250.0040.00416.79
7.4.240.0050.00216.82
7.4.230.0030.00316.85
7.4.220.0100.00716.82
7.4.210.0020.01116.82
7.4.200.0000.00816.72
7.4.190.0000.00716.89
7.4.160.0100.01316.86
7.4.150.0110.00717.40
7.4.140.0060.01217.86
7.4.130.0140.00416.84
7.4.120.0150.00316.84
7.4.110.0000.01716.64
7.4.100.0120.00616.91
7.4.90.0110.00816.78
7.4.80.0120.01219.39
7.4.70.0070.01016.64
7.4.60.0080.00916.57
7.4.50.0000.00816.55
7.4.40.0120.00622.77
7.4.30.0080.00916.71
7.4.00.0060.01015.12
7.3.330.0000.00813.38
7.3.320.0000.00513.48
7.3.310.0050.00316.40
7.3.300.0000.00716.59
7.3.290.0080.01116.48
7.3.280.0050.01216.46
7.3.270.0060.01217.40
7.3.260.0140.01016.53
7.3.250.0130.00916.58
7.3.240.0060.01216.62
7.3.230.0110.00816.84
7.3.210.0090.00916.81
7.3.200.0170.00619.39
7.3.190.0110.01216.62
7.3.180.0100.00716.72
7.3.170.0100.00616.53
7.3.160.0100.00716.70
7.3.120.0050.01214.89
7.3.110.0030.01315.05
7.3.100.0070.01015.29
7.3.90.0000.01515.25
7.3.80.0060.00914.96
7.3.70.0090.00614.97
7.3.60.0040.01115.19
7.3.50.0080.00614.84
7.3.40.0070.00715.09
7.3.30.0030.01214.99
7.3.20.0030.01216.96
7.3.10.0130.00316.95
7.3.00.0120.00316.84
7.2.330.0070.01016.71
7.2.320.0130.00316.94
7.2.310.0100.00716.97
7.2.300.0090.00916.80
7.2.290.0100.00716.78
7.2.250.0030.01615.33
7.2.240.0070.01415.33
7.2.230.0070.01015.09
7.2.220.0000.01515.33
7.2.210.0060.00915.36
7.2.200.0070.01014.89
7.2.190.0140.00315.29
7.2.180.0110.00414.99
7.2.170.0100.00715.16
7.1.330.0090.00616.01
7.1.320.0100.00316.02
7.1.310.0090.00616.01
7.1.300.0030.01016.10
7.1.290.0000.01315.70
7.1.280.0090.00615.88
7.1.270.0070.00315.89
7.1.260.0030.00716.18
7.1.70.0130.00317.13
7.1.60.0090.01519.33
7.1.50.0000.02217.16
7.1.00.0000.08022.56
7.0.200.0030.00316.91
7.0.140.0000.07722.08
7.0.60.0100.05719.82
7.0.50.0130.05317.84
7.0.40.0170.07720.25
7.0.30.0330.04720.03
7.0.20.0330.07720.05
7.0.10.0030.09020.20
7.0.00.0170.06020.30
5.6.280.0030.07320.86
5.6.210.0100.08020.65
5.6.200.0000.04718.12
5.6.190.0100.08720.77
5.6.180.0430.06320.41
5.6.170.0170.04020.54
5.6.160.0130.08320.51
5.6.150.0070.05018.21
5.6.140.0030.06018.24
5.6.130.0070.04018.20
5.6.120.0100.06020.99
5.6.110.0100.09021.08
5.6.100.0170.07321.00
5.6.90.0130.07021.01
5.6.80.0070.08020.39
5.6.70.0600.04320.41
5.5.350.0200.06720.47
5.5.340.0070.03717.89
5.5.330.0000.04720.41
5.5.320.0000.04320.50
5.5.310.0270.03320.25
5.5.300.0030.07017.96
5.5.290.0070.03717.93
5.5.280.0070.08320.85
5.5.270.0230.04320.79
5.5.260.0070.08720.76
5.5.250.0170.07020.46
5.5.240.0230.07320.25
5.4.450.0670.06319.41
5.4.440.0300.05019.54
5.4.430.0200.06719.24
5.4.420.0230.06019.44
5.4.410.0300.04719.47
5.4.400.0170.05719.23
5.4.390.0370.05019.30
5.4.380.0500.06018.65
5.4.370.0370.05018.59
5.4.360.0300.05318.72
5.4.350.0270.05718.57
5.4.340.0300.05718.46
5.4.320.0040.04212.46
5.4.310.0040.04012.45
5.4.300.0070.03612.45
5.4.290.0090.03612.45
5.4.280.0050.07812.34
5.4.270.0130.05612.33
5.4.260.0130.04712.33
5.4.250.0110.07012.33
5.4.240.0110.05012.33
5.4.230.0130.07012.33
5.4.220.0220.08812.33
5.4.210.0160.06312.33
5.4.200.0270.11012.33
5.4.190.0190.06512.32
5.4.180.0130.07712.32
5.4.170.0250.08912.33
5.4.160.0200.06912.32
5.4.150.0210.08112.32
5.4.140.0090.05112.00
5.4.130.0130.05212.00
5.4.120.0100.05511.95
5.4.110.0150.04811.95
5.4.100.0080.04111.95
5.4.90.0220.07711.95
5.4.80.0060.04111.95
5.4.70.0060.04211.95
5.4.60.0110.03511.95
5.4.50.0100.06411.94
5.4.40.0070.04511.93
5.4.30.0060.04411.93
5.4.20.0060.04811.93
5.4.10.0070.03811.93
5.4.00.0070.05511.42
5.3.290.0060.03912.80
5.3.280.0190.08512.71
5.3.270.0100.05712.72
5.3.260.0090.06712.72
5.3.250.0160.05712.72
5.3.240.0050.04812.72
5.3.230.0080.03912.71
5.3.220.0140.04612.68
5.3.210.0080.05912.68
5.3.200.0170.05712.68
5.3.190.0170.05812.68
5.3.180.0250.07612.67
5.3.170.0150.07812.67
5.3.160.0080.04112.68
5.3.150.0130.03912.68
5.3.140.0090.03912.66
5.3.130.0060.04612.66
5.3.120.0060.04512.66
5.3.110.0150.05112.66
5.3.100.0180.06112.12
5.3.90.0120.07112.08
5.3.80.0040.03912.07
5.3.70.0050.04812.07
5.3.60.0110.04112.07
5.3.50.0040.04012.00
5.3.40.0080.03612.00
5.3.30.0060.03811.94
5.3.20.0090.04711.72
5.3.10.0050.03811.68
5.3.00.0100.04611.67
5.2.170.0060.0569.16
5.2.160.0080.0399.16
5.2.150.0070.0439.16
5.2.140.0180.0469.16
5.2.130.0110.0409.12
5.2.120.0120.0369.12
5.2.110.0070.0319.13
5.2.100.0100.0279.13
5.2.90.0050.0339.12
5.2.80.0160.0709.13
5.2.70.0100.0519.11
5.2.60.0170.0599.07
5.2.50.0190.0499.04
5.2.40.0080.0329.02
5.2.30.0080.0419.00
5.2.20.0070.0408.99
5.2.10.0060.0408.90
5.2.00.0050.0378.77
5.1.60.0040.0288.05
5.1.50.0070.0278.05
5.1.40.0060.0268.03
5.1.30.0110.0618.38
5.1.20.0090.0338.40
5.1.10.0120.0488.13
5.1.00.0090.0418.13
5.0.50.0080.0326.61
5.0.40.0060.0316.46
5.0.30.0070.0466.27
5.0.20.0090.0286.25
5.0.10.0070.0356.23
5.0.00.0120.0636.22
4.4.90.0050.0234.78
4.4.80.0020.0274.75
4.4.70.0090.0364.75
4.4.60.0090.0324.76
4.4.50.0100.0384.77
4.4.40.0020.0364.71
4.4.30.0070.0254.76
4.4.20.0050.0194.85
4.4.10.0040.0174.85
4.4.00.0060.0264.76
4.3.110.0040.0184.67
4.3.100.0050.0164.66
4.3.90.0040.0174.63
4.3.80.0050.0264.59
4.3.70.0050.0154.63
4.3.60.0040.0164.63
4.3.50.0040.0184.63
4.3.40.0020.0274.54
4.3.30.0000.0193.28
4.3.20.0050.0143.26
4.3.10.0020.0193.22
4.3.00.0300.01310.30

preferences:
43.42 ms | 401 KiB | 5 Q