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 $key.' '.ucfirst($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("_i", 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)
8.3.40.0110.00418.84
8.3.30.0070.00719.27
8.3.20.0080.00020.21
8.3.10.0040.00423.65
8.3.00.0080.00019.63
8.2.170.0090.00622.96
8.2.160.0110.00420.35
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00422.13
8.2.110.0060.00322.43
8.2.100.0060.00618.16
8.2.90.0000.00818.09
8.2.80.0050.00317.97
8.2.70.0060.00617.75
8.2.60.0000.00917.93
8.2.50.0000.00918.07
8.2.40.0000.00818.16
8.2.30.0070.00018.03
8.2.20.0000.00817.89
8.2.10.0030.00618.14
8.2.00.0080.00317.77
8.1.270.0080.00022.14
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0030.00622.59
8.1.230.0040.00720.89
8.1.220.0050.00517.78
8.1.210.0090.00018.98
8.1.200.0060.00317.38
8.1.190.0000.00817.43
8.1.180.0040.00418.10
8.1.170.0000.00918.82
8.1.160.0040.00421.96
8.1.150.0070.00018.80
8.1.140.0000.00717.66
8.1.130.0040.00417.87
8.1.120.0030.00717.51
8.1.110.0090.00017.67
8.1.100.0040.00417.47
8.1.90.0040.00417.63
8.1.80.0000.00717.59
8.1.70.0000.00717.58
8.1.60.0060.00317.74
8.1.50.0000.00817.70
8.1.40.0030.00617.58
8.1.30.0090.00017.79
8.1.20.0030.00617.77
8.1.10.0000.00717.74
8.1.00.0030.00517.69
8.0.300.0000.00820.11
8.0.290.0000.00716.93
8.0.280.0030.00318.46
8.0.270.0030.00317.29
8.0.260.0040.00417.16
8.0.250.0000.00717.17
8.0.240.0070.00017.15
8.0.230.0040.00417.15
8.0.220.0040.00417.02
8.0.210.0000.00817.05
8.0.200.0000.00717.04
8.0.190.0050.00317.18
8.0.180.0070.00017.16
8.0.170.0060.00317.04
8.0.160.0020.00517.06
8.0.150.0000.00717.12
8.0.140.0040.00416.98
8.0.130.0000.00513.57
8.0.120.0030.00517.04
8.0.110.0030.00517.09
8.0.100.0040.00417.09
8.0.90.0000.00717.16
8.0.80.0090.00917.09
8.0.70.0050.00216.98
8.0.60.0080.00017.15
8.0.50.0040.00416.97
8.0.30.0090.00917.29
8.0.20.0130.00717.40
8.0.10.0050.00217.27
8.0.00.0120.00716.84
7.4.330.0000.00515.00
7.4.320.0040.00416.64
7.4.300.0060.00016.86
7.4.290.0000.00716.71
7.4.280.0040.00416.70
7.4.270.0050.00216.80
7.4.260.0070.00016.70
7.4.250.0000.00816.83
7.4.240.0010.00616.84
7.4.230.0030.00316.84
7.4.220.0070.01116.68
7.4.210.0070.01116.79
7.4.200.0030.00316.92
7.4.190.0000.00716.90
7.4.160.0090.00916.96
7.4.150.0070.01117.40
7.4.140.0120.00817.86
7.4.130.0050.01316.69
7.4.120.0060.01116.62
7.4.110.0080.00816.77
7.4.100.0080.00916.65
7.4.90.0120.00616.95
7.4.80.0100.01019.39
7.4.70.0070.01016.65
7.4.60.0060.01016.87
7.4.50.0040.00416.35
7.4.40.0060.00622.77
7.4.30.0170.00016.71
7.4.00.0070.01014.79
7.3.330.0040.00413.46
7.3.320.0000.00513.46
7.3.310.0000.00716.50
7.3.300.0040.00316.45
7.3.290.0030.01016.48
7.3.280.0090.00916.49
7.3.270.0100.00717.40
7.3.260.0040.01316.74
7.3.250.0110.00816.59
7.3.240.0070.01116.58
7.3.230.0100.01016.58
7.3.210.0100.00716.79
7.3.200.0090.00919.39
7.3.190.0090.00916.63
7.3.180.0090.00616.55
7.3.170.0120.00416.82
7.3.160.0130.00716.63
7.3.120.0060.00915.26
7.3.10.0110.00316.55
7.3.00.0090.00316.71
7.2.330.0100.01016.90
7.2.320.0120.00616.89
7.2.310.0070.01016.94
7.2.300.0170.00716.98
7.2.290.0070.01016.89
7.2.130.0070.01017.02
7.2.120.0060.00617.14
7.2.110.0130.01016.90
7.2.100.0060.00617.13
7.2.90.0060.00917.18
7.2.80.0080.00317.02
7.2.70.0070.01117.03
7.2.60.0120.00617.07
7.2.50.0030.00617.28
7.2.40.0070.00716.78
7.2.30.0060.00617.11
7.2.20.0060.00917.12
7.2.10.0040.00816.95
7.2.00.0020.00818.43
7.1.250.0030.01315.98
7.1.100.0080.00318.15
7.1.70.0040.00417.15
7.1.60.0100.01619.33
7.1.50.0060.01617.19
7.1.00.0070.07322.47
7.0.200.0000.01016.98
7.0.140.0070.07022.07
7.0.60.0070.06319.95
7.0.50.0000.04317.85
7.0.40.0000.04719.98
7.0.30.0230.04720.19
7.0.20.0270.06020.14
7.0.10.0230.05020.18
7.0.00.0100.07720.31
5.6.280.0100.06721.13
5.6.210.0270.07020.61
5.6.200.0000.04718.12
5.6.190.0030.06720.60
5.6.180.0400.06720.41
5.6.170.0270.06320.38
5.6.160.0100.08020.44
5.6.150.0100.07718.11
5.6.140.0030.05018.09
5.6.130.0100.07318.15
5.6.120.0100.08321.02
5.6.110.0170.07320.98
5.6.100.0170.06021.08
5.6.90.0070.08020.96
5.6.80.0130.06720.32
5.6.70.3300.03720.36
5.5.350.0130.08720.46
5.5.340.0100.06317.95
5.5.330.0130.05720.07
5.5.320.0370.04320.13
5.5.310.0130.04020.41
5.5.300.0030.04317.95
5.5.290.0100.07018.02
5.5.280.0030.08720.95
5.5.270.0100.03720.67
5.5.260.0130.07020.84
5.5.250.0100.07020.65
5.5.240.0170.05320.27
5.4.450.0130.05319.49
5.4.440.0630.06019.63
5.4.430.0400.05019.55
5.4.420.0500.07019.45
5.4.410.0130.05019.28
5.4.400.0270.05018.78
5.4.390.0900.05719.08
5.4.380.0270.05018.65
5.4.370.0230.06718.65
5.4.360.0230.05718.50
5.4.350.0200.06018.49
5.4.340.0270.05718.50
5.4.320.0060.03512.45
5.4.310.0090.03812.45
5.4.300.0060.03612.46
5.4.290.0050.04012.46
5.4.280.0160.07512.33
5.4.270.0070.05012.33
5.4.260.0130.07212.33
5.4.250.0080.06212.33
5.4.240.0120.05412.33
5.4.230.0090.07012.32
5.4.220.0100.09212.32
5.4.210.0180.06712.32
5.4.200.0180.07512.32
5.4.190.0170.07012.32
5.4.180.0100.06612.32
5.4.170.0090.05012.33
5.4.160.0100.05812.32
5.4.150.0200.09112.32
5.4.140.0330.06412.00
5.4.130.0100.04611.99
5.4.120.0170.05211.95
5.4.110.0080.05411.95
5.4.100.0070.05111.95
5.4.90.0080.03911.95
5.4.80.0080.04111.95
5.4.70.0130.06311.95
5.4.60.0120.03411.95
5.4.50.0060.05511.95
5.4.40.0070.05911.93
5.4.30.0050.05811.93
5.4.20.0060.05811.93
5.4.10.0080.05511.93
5.4.00.0080.05411.42
5.3.290.0120.03512.80
5.3.280.0070.05512.71
5.3.270.0080.05512.73
5.3.260.0110.06312.72
5.3.250.0150.06612.72
5.3.240.0120.05612.72
5.3.230.0200.06212.71
5.3.220.0120.05412.68
5.3.210.0080.06212.68
5.3.200.0140.06812.68
5.3.190.0160.11012.68
5.3.180.0060.04412.68
5.3.170.0080.04612.67
5.3.160.0120.05612.67
5.3.150.0250.07212.67
5.3.140.0100.05712.66
5.3.130.0080.05812.66
5.3.120.0110.05412.66
5.3.110.0080.05712.66
5.3.100.0100.05812.12
5.3.90.0110.06212.08
5.3.80.0090.05312.08
5.3.70.0160.05012.07
5.3.60.0110.05412.06
5.3.50.0100.05412.00
5.3.40.0120.05412.00
5.3.30.0120.05611.94
5.3.20.0120.04911.71
5.3.10.0130.04311.68
5.3.00.0130.04611.67
5.2.170.0120.0409.17
5.2.160.0080.0439.16
5.2.150.0100.0429.16
5.2.140.0090.0419.16
5.2.130.0070.0429.13
5.2.120.0110.0389.12
5.2.110.0140.0349.13
5.2.100.0120.0389.13
5.2.90.0080.0439.13
5.2.80.0110.0429.13
5.2.70.0070.0459.12
5.2.60.0100.0419.07
5.2.50.0110.0419.04
5.2.40.0100.0399.02
5.2.30.0080.0439.00
5.2.20.0060.0428.99
5.2.10.0110.0508.90
5.2.00.0150.0558.76
5.1.60.0200.0678.05
5.1.50.0160.0598.05
5.1.40.0100.0438.03
5.1.30.0090.0338.38
5.1.20.0070.0388.40
5.1.10.0110.0338.13
5.1.00.0090.0368.13
5.0.50.0080.0276.61
5.0.40.0070.0276.46
5.0.30.0100.0396.27
5.0.20.0060.0226.25
5.0.10.0050.0266.23
5.0.00.0090.0526.21
4.4.90.0070.0354.78
4.4.80.0120.0294.75
4.4.70.0050.0254.76
4.4.60.0030.0294.75
4.4.50.0060.0234.77
4.4.40.0090.0334.71
4.4.30.0040.0244.76
4.4.20.0060.0244.84
4.4.10.0050.0224.85
4.4.00.0060.0344.76
4.3.110.0060.0224.67
4.3.100.0060.0454.66
4.3.90.0040.0304.63
4.3.80.0030.0374.59
4.3.70.0050.0244.63
4.3.60.0080.0314.63
4.3.50.0060.0214.63
4.3.40.0040.0344.54
4.3.30.0050.0183.28
4.3.20.0050.0203.26
4.3.10.0010.0183.22
4.3.00.0130.01710.30

preferences:
68.55 ms | 400 KiB | 5 Q