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)
8.3.70.0040.01116.73
8.3.60.0070.01116.75
8.3.50.0090.00722.01
8.3.40.0040.01119.09
8.3.30.0100.00319.05
8.3.20.0070.00020.21
8.3.10.0040.00423.70
8.3.00.0040.00419.38
8.2.180.0110.00416.63
8.2.170.0040.01122.96
8.2.160.0140.00020.53
8.2.150.0140.00424.18
8.2.140.0030.00524.66
8.2.130.0060.01226.16
8.2.120.0040.00422.37
8.2.110.0130.00322.34
8.2.100.0040.00817.97
8.2.90.0030.00519.34
8.2.80.0060.00317.97
8.2.70.0070.00317.75
8.2.60.0000.00817.93
8.2.50.0080.00018.07
8.2.40.0060.00318.34
8.2.30.0040.00418.22
8.2.20.0050.00217.77
8.2.10.0030.00518.18
8.2.00.0040.00717.96
8.1.280.0070.01125.92
8.1.270.0040.00422.24
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0030.00624.00
8.1.230.0110.00019.10
8.1.220.0030.00517.74
8.1.210.0060.00618.77
8.1.200.0060.00317.35
8.1.190.0030.00517.40
8.1.180.0060.00318.10
8.1.170.0040.00418.63
8.1.160.0040.00422.02
8.1.150.0000.00818.80
8.1.140.0060.00317.61
8.1.130.0030.00517.89
8.1.120.0030.00817.66
8.1.110.0060.00317.56
8.1.100.0020.00517.55
8.1.90.0040.00417.46
8.1.80.0070.00017.52
8.1.70.0000.00717.56
8.1.60.0060.00317.70
8.1.50.0000.00817.66
8.1.40.0000.00817.59
8.1.30.0000.00817.66
8.1.20.0040.00417.77
8.1.10.0040.00417.76
8.1.00.0000.00817.66
8.0.300.0040.00418.77
8.0.290.0000.00717.05
8.0.280.0000.00718.46
8.0.270.0090.00017.28
8.0.260.0040.00417.16
8.0.250.0000.00717.15
8.0.240.0070.00017.13
8.0.230.0030.00317.09
8.0.220.0040.00417.05
8.0.210.0000.00717.02
8.0.200.0070.00016.99
8.0.190.0000.00717.01
8.0.180.0040.00417.13
8.0.170.0060.00317.05
8.0.160.0050.00317.14
8.0.150.0040.00416.98
8.0.140.0040.00417.05
8.0.130.0030.00313.48
8.0.120.0040.00417.02
8.0.110.0040.00417.08
8.0.100.0040.00416.87
8.0.90.0040.00416.99
8.0.80.0050.01017.06
8.0.70.0040.00416.91
8.0.60.0000.00717.04
8.0.50.0000.00817.09
8.0.30.0110.00817.40
8.0.20.0080.01117.40
8.0.10.0080.00017.17
8.0.00.0070.01116.91
7.4.330.0000.00515.00
7.4.320.0030.00316.82
7.4.300.0030.00316.81
7.4.290.0070.00016.87
7.4.280.0000.00716.72
7.4.270.0040.00416.74
7.4.260.0030.00316.70
7.4.250.0070.00016.68
7.4.240.0050.00216.72
7.4.230.0070.00016.52
7.4.220.0090.00916.82
7.4.210.0050.00916.70
7.4.200.0070.00016.70
7.4.190.0000.00716.63
7.4.160.0090.00916.95
7.4.150.0090.00917.40
7.4.140.0160.00617.86
7.4.130.0140.00616.68
7.4.120.0040.01216.84
7.4.110.0070.01016.55
7.4.100.0120.00616.57
7.4.90.0090.00916.63
7.4.80.0060.01319.39
7.4.70.0050.01416.70
7.4.60.0090.00916.75
7.4.50.0000.00816.52
7.4.40.0100.00322.77
7.4.30.0060.00916.73
7.4.00.0080.01015.21
7.3.330.0050.00213.38
7.3.320.0050.00013.16
7.3.310.0030.00516.54
7.3.300.0030.00416.47
7.3.290.0030.01616.48
7.3.280.0110.00616.39
7.3.270.0190.00617.40
7.3.260.0090.00916.74
7.3.250.0090.01116.75
7.3.240.0110.00716.72
7.3.230.0070.01016.78
7.3.210.0070.01016.56
7.3.200.0100.00719.39
7.3.190.0140.00416.44
7.3.180.0110.00416.50
7.3.170.0200.00016.74
7.3.160.0030.01316.87
7.3.120.0100.00815.05
7.3.110.0110.00615.27
7.3.100.0120.00314.99
7.3.90.0130.00614.80
7.3.80.0040.00714.88
7.3.70.0040.01114.88
7.3.60.0030.01014.96
7.3.50.0000.00815.07
7.3.40.0000.01615.09
7.3.30.0030.01014.87
7.3.20.0080.00316.98
7.3.10.0060.00916.73
7.3.00.0100.00616.67
7.2.330.0140.00316.86
7.2.320.0090.00916.88
7.2.310.0030.01616.80
7.2.300.0130.01016.68
7.2.290.0120.00816.86
7.2.250.0120.00615.29
7.2.240.0060.01315.44
7.2.230.0070.01115.16
7.2.220.0090.00915.18
7.2.210.0100.00315.32
7.2.200.0070.00715.23
7.2.190.0030.00915.32
7.2.180.0000.01114.94
7.2.170.0080.00815.44
7.2.60.0140.00017.11
7.2.00.0000.01219.63
7.1.330.0060.00616.12
7.1.320.0070.00316.25
7.1.310.0030.01015.95
7.1.300.0000.01516.22
7.1.290.0070.00715.69
7.1.280.0000.01516.10
7.1.270.0060.00315.93
7.1.260.0070.00715.81
7.1.200.0000.00815.97
7.1.100.0000.01118.33
7.1.70.0070.00717.47
7.1.60.0070.01819.33
7.1.50.0100.01016.89
7.1.00.0000.08022.39
7.0.200.0030.00716.83
7.0.140.0030.07022.00
7.0.60.0100.09319.78
7.0.50.0100.07717.85
7.0.40.0070.04020.26
7.0.30.0370.05720.35
7.0.20.0300.06020.18
7.0.10.0100.06720.13
7.0.00.0100.07020.18
5.6.280.0070.07021.09
5.6.210.0030.07720.62
5.6.200.0070.08318.21
5.6.190.0030.08020.77
5.6.180.0400.07320.43
5.6.170.0270.04020.48
5.6.160.0100.05720.48
5.6.150.0000.04318.07
5.6.140.0030.07718.11
5.6.130.0070.07018.11
5.6.120.0100.05321.09
5.6.110.0100.08720.99
5.6.100.0100.07720.95
5.6.90.0170.07721.05
5.6.80.0000.04020.39
5.6.70.4600.03720.42
5.5.350.0170.08320.30
5.5.340.0070.04017.91
5.5.330.0100.06320.19
5.5.320.0070.08020.24
5.5.310.0370.07020.41
5.5.300.0070.05017.91
5.5.290.0000.07717.92
5.5.280.0130.08720.68
5.5.270.0030.08720.83
5.5.260.0100.08320.75
5.5.250.0030.08320.57
5.5.240.0270.07020.25
5.4.450.0670.06019.28
5.4.440.0630.06319.32
5.4.430.0200.05019.63
5.4.420.0670.06319.31
5.4.410.0630.05719.42
5.4.400.0100.05018.80
5.4.390.0500.05719.26
5.4.380.0270.06718.45
5.4.370.0470.04718.49
5.4.360.0330.04318.70
5.4.350.0230.06018.72
5.4.340.0330.04718.78
5.4.320.0060.03512.46
5.4.310.0080.03812.45
5.4.300.0050.04112.45
5.4.290.0050.03812.45
5.4.280.0060.05712.33
5.4.270.0090.05112.33
5.4.260.0050.05412.33
5.4.250.0090.05212.33
5.4.240.0090.04912.33
5.4.230.0080.04512.32
5.4.220.0050.04112.32
5.4.210.0070.03812.32
5.4.200.0060.04212.32
5.4.190.0100.04812.32
5.4.180.0130.06012.32
5.4.170.0120.05812.33
5.4.160.0090.04312.33
5.4.150.0090.05912.32
5.4.140.0070.05912.01
5.4.130.0060.04011.99
5.4.120.0060.04011.95
5.4.110.0080.04711.95
5.4.100.0060.03711.95
5.4.90.0050.04311.95
5.4.80.0070.03911.95
5.4.70.0090.04311.94
5.4.60.0100.03711.95
5.4.50.0080.03911.94
5.4.40.0260.04911.93
5.4.30.0140.07611.93
5.4.20.0200.04611.93
5.4.10.0040.04111.93
5.4.00.0110.04611.42
5.3.290.0070.04212.80
5.3.280.0060.05312.71
5.3.270.0070.04712.72
5.3.260.0070.06712.72
5.3.250.0130.06412.72
5.3.240.0110.06412.72
5.3.230.0110.06512.71
5.3.220.0130.05412.68
5.3.210.0090.05912.68
5.3.200.0120.05412.68
5.3.190.0200.05212.68
5.3.180.0110.05612.67
5.3.170.0160.05612.67
5.3.160.0180.05412.68
5.3.150.0180.10012.67
5.3.140.0150.05512.66
5.3.130.0110.06212.66
5.3.120.0190.06912.66
5.3.110.0170.05612.66
5.3.100.0160.05112.12
5.3.90.0120.05512.09
5.3.80.0130.04712.08
5.3.70.0150.05812.07
5.3.60.0100.05412.06
5.3.50.0090.06012.00
5.3.40.0160.04912.00
5.3.30.0140.04911.94
5.3.20.0120.04611.71
5.3.10.0110.04211.68
5.3.00.0180.04411.67
5.2.170.0100.0419.16
5.2.160.0100.0389.16
5.2.150.0160.0349.16
5.2.140.0060.0429.16
5.2.130.0100.0459.11
5.2.120.0120.0419.12
5.2.110.0070.0429.13
5.2.100.0110.0399.13
5.2.90.0150.0369.12
5.2.80.0190.0579.13
5.2.70.0100.0559.12
5.2.60.0100.0509.07
5.2.50.0170.0629.04
5.2.40.0110.0489.02
5.2.30.0070.0449.01
5.2.20.0110.0528.99
5.2.10.0080.0438.90
5.2.00.0120.0518.76
5.1.60.0060.0368.05
5.1.50.0060.0338.05
5.1.40.0030.0328.03
5.1.30.0090.0248.38
5.1.20.0050.0298.40
5.1.10.0050.0268.13
5.1.00.0040.0288.13
5.0.50.0050.0206.61
5.0.40.0030.0216.46
5.0.30.0030.0336.28
5.0.20.0020.0286.25
5.0.10.0050.0276.22
5.0.00.0040.0366.22
4.4.90.0050.0224.78
4.4.80.0050.0244.75
4.4.70.0070.0194.76
4.4.60.0050.0144.75
4.4.50.0010.0184.77
4.4.40.0020.0284.71
4.4.30.0050.0154.75
4.4.20.0030.0174.84
4.4.10.0050.0154.85
4.4.00.0080.0304.76
4.3.110.0030.0234.67
4.3.100.0060.0214.67
4.3.90.0050.0244.63
4.3.80.0070.0324.59
4.3.70.0080.0194.63
4.3.60.0090.0444.63
4.3.50.0050.0384.63
4.3.40.0040.0434.53
4.3.30.0040.0293.28
4.3.20.0030.0243.25
4.3.10.0040.0223.22
4.3.00.0370.01710.30

preferences:
76.44 ms | 401 KiB | 5 Q