3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo preg_replace_callback('/([a-z])(_[a-z])/', function($u) { var_dump($u); return ucwords(str_replace('_', '', $u[1])); } , 'rob_tr_yuui'); echo PHP_EOL; echo preg_replace('/([a-z])(_[a-z])/', '$1.$2', 'rob_tr_yuui');

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)
8.3.60.0100.01018.30
8.3.50.0110.01021.09
8.3.40.0040.01419.04
8.3.30.0000.01320.22
8.3.20.0090.00620.16
8.3.10.0040.00420.82
8.3.00.0030.00522.39
8.2.180.0070.01017.00
8.2.170.0040.01122.96
8.2.160.0100.00722.20
8.2.150.0050.00324.18
8.2.140.0060.00324.66
8.2.130.0050.00326.16
8.2.120.0040.00420.89
8.2.110.0040.00421.12
8.2.100.0000.01217.85
8.2.90.0080.00018.22
8.2.80.0000.00817.97
8.2.70.0080.00017.74
8.2.60.0060.00318.05
8.2.50.0000.00918.07
8.2.40.0040.00418.21
8.2.30.0070.00019.47
8.2.20.0000.00817.93
8.2.10.0000.00817.96
8.2.00.0000.00717.81
8.1.280.0110.00425.92
8.1.270.0000.00823.99
8.1.260.0000.00826.35
8.1.250.0030.00628.09
8.1.240.0090.00022.20
8.1.230.0070.00420.92
8.1.220.0040.00417.76
8.1.210.0000.00818.77
8.1.200.0040.00417.48
8.1.190.0000.00817.35
8.1.180.0050.00318.10
8.1.170.0080.00018.77
8.1.160.0030.00518.77
8.1.150.0060.00318.72
8.1.140.0000.00717.46
8.1.130.0030.00317.75
8.1.120.0070.00017.54
8.1.110.0080.00017.59
8.1.100.0000.00717.59
8.1.90.0000.00817.45
8.1.80.0000.00717.51
8.1.70.0000.00817.50
8.1.60.0030.00517.73
8.1.50.0070.00017.59
8.1.40.0020.00517.65
8.1.30.0030.00617.73
8.1.20.0030.00617.77
8.1.10.0000.00717.61
8.1.00.0030.00617.63
8.0.300.0000.00720.12
8.0.290.0040.00416.75
8.0.280.0000.00818.47
8.0.270.0070.00017.21
8.0.260.0070.00016.77
8.0.250.0000.00717.10
8.0.240.0040.00417.04
8.0.230.0000.00716.88
8.0.220.0030.00316.88
8.0.210.0040.00416.84
8.0.200.0000.00817.02
8.0.190.0080.00017.04
8.0.180.0040.00416.91
8.0.170.0080.00017.05
8.0.160.0030.00417.02
8.0.150.0050.00316.97
8.0.140.0080.00416.95
8.0.130.0000.00613.33
8.0.120.0040.00416.92
8.0.110.0000.00817.01
8.0.100.0040.00416.88
8.0.90.0000.00716.95
8.0.80.0120.00317.00
8.0.70.0070.00016.80
8.0.60.0050.00216.86
8.0.50.0040.00416.96
8.0.30.0110.00816.94
8.0.20.0150.01217.40
8.0.10.0030.00517.07
8.0.00.0110.01016.89
7.4.330.0000.00516.90
7.4.320.0000.00716.65
7.4.300.0030.00316.55
7.4.290.0050.00316.75
7.4.280.0050.00216.75
7.4.270.0000.00716.63
7.4.260.0000.00513.51
7.4.250.0030.00516.69
7.4.240.0010.00616.67
7.4.230.0000.00816.77
7.4.220.0030.01416.65
7.4.210.0090.00716.65
7.4.200.0000.00716.54
7.4.190.0060.00316.63
7.4.160.0030.01216.64
7.4.150.0100.00717.40
7.4.140.0050.01717.86
7.4.130.0110.00616.63
7.4.120.0120.00916.62
7.4.110.0060.01016.58
7.4.100.0090.00916.64
7.4.90.0120.00816.70
7.4.80.0100.00619.39
7.4.70.0060.00916.73
7.4.60.0080.01116.68
7.4.50.0060.00316.63
7.4.40.0100.00322.77
7.4.30.0120.00616.50
7.4.00.0030.01315.14
7.3.330.0050.00013.26
7.3.320.0000.00713.51
7.3.310.0070.00016.46
7.3.300.0040.00416.45
7.3.290.0070.00716.51
7.3.280.0060.01016.38
7.3.270.0060.01217.40
7.3.260.0150.01018.24
7.3.250.0090.01316.66
7.3.240.0100.00716.75
7.3.230.0100.00716.49
7.3.210.0070.01016.71
7.3.200.0120.01219.39
7.3.190.0130.00816.54
7.3.180.0000.01616.39
7.3.170.0060.01116.46
7.3.160.0120.00416.63
7.3.120.0070.01115.01
7.3.10.0030.01116.64
7.3.00.0090.00616.42
7.2.330.0070.01016.71
7.2.320.0200.00516.88
7.2.310.0050.01516.62
7.2.300.0160.00016.73
7.2.290.0140.00716.68
7.2.130.0060.00417.10
7.2.120.0030.01116.98
7.2.110.0060.01016.81
7.2.100.0080.00517.02
7.2.90.0080.00717.03
7.2.80.0080.00816.85
7.2.70.0020.01117.04
7.2.60.0090.00716.91
7.2.50.0050.00916.93
7.2.40.0130.00716.99
7.2.30.0120.00317.06
7.2.20.0080.00616.83
7.2.10.0070.01116.98
7.2.00.0080.00617.86
7.1.250.0050.01015.89
7.1.240.0000.01215.70
7.1.230.0120.00615.70
7.1.220.0070.00715.97
7.1.210.0090.00615.91
7.1.200.0090.00615.84
7.1.190.0030.01216.06
7.1.180.0050.00516.11
7.1.170.0030.01016.14
7.1.160.0030.00616.00
7.1.150.0000.01115.88
7.1.140.0030.00915.96
7.1.130.0060.01016.14
7.1.120.0060.00915.60
7.1.110.0080.00416.11
7.1.100.0090.00417.15
7.1.90.0000.01216.07
7.1.80.0130.00715.59
7.1.70.0060.00516.73
7.1.60.0090.01017.57
7.1.50.0080.00816.54
7.1.40.0030.00615.91
7.1.30.0130.00615.80
7.1.20.0070.00715.95
7.1.10.0030.01015.95
7.1.00.0020.04219.13
7.0.330.0050.00315.09
7.0.320.0070.01015.36
7.0.310.0000.01215.50
7.0.300.0040.01115.51
7.0.290.0130.00015.27
7.0.280.0090.00915.36
7.0.270.0030.01015.37
7.0.260.0050.00515.17
7.0.250.0090.00615.39
7.0.240.0000.01215.20
7.0.230.0110.00015.61
7.0.220.0040.00815.50
7.0.210.0090.00615.64
7.0.200.0030.00616.33
7.0.190.0030.00815.38
7.0.180.0030.01515.24
7.0.170.0100.00615.29
7.0.160.0000.01115.41
7.0.150.0030.00615.23
7.0.140.0060.04018.88
7.0.130.0030.01015.48
7.0.120.0140.00315.63
7.0.110.0030.00615.47
7.0.100.0100.03817.75
7.0.90.0100.03817.67
7.0.80.0040.02417.69
7.0.70.0080.02117.63
7.0.60.0060.03417.59
7.0.50.0070.02718.03
7.0.40.0070.02616.91
7.0.30.0020.03416.76
7.0.20.0070.03216.72
7.0.10.0000.03116.89
7.0.00.0050.02816.82
5.6.380.0030.00614.23
5.6.370.0090.01214.44
5.6.360.0070.00214.09
5.6.350.0130.00314.42
5.6.340.0040.01514.30
5.6.330.0000.01414.51
5.6.320.0060.00914.35
5.6.310.0100.00314.41
5.6.300.0080.00814.20
5.6.290.0030.00613.93
5.6.280.0090.03917.77
5.6.270.0030.00914.49
5.6.260.0060.00914.54
5.6.250.0020.03317.58
5.6.240.0100.02217.46
5.6.230.0040.04317.50
5.6.220.0040.02417.49
5.6.210.0070.02217.23
5.6.200.0070.04017.47
5.6.190.0020.04817.74
5.6.180.0060.02317.64
5.6.170.0070.02317.70
5.6.160.0070.02217.67
5.6.150.0070.02317.71
5.6.140.0070.02217.72
5.6.130.0080.02217.88
5.6.120.0110.02017.88
5.6.110.0070.02217.73
5.6.100.0050.02417.67
5.6.90.0020.02817.77
5.6.80.0140.01617.25
5.6.70.0040.02517.27
5.6.60.0050.02517.33
5.6.50.0050.02517.34
5.6.40.0030.04017.16
5.6.30.0050.02917.45
5.6.20.0030.02517.42
5.6.10.0030.03617.44
5.6.00.0050.03117.18
5.5.380.0030.03015.76
5.5.370.0020.02615.83
5.5.360.0060.02115.84
5.5.350.0080.01815.73
5.5.340.0080.04216.01
5.5.330.0070.02716.06
5.5.320.0060.03616.07
5.5.310.0020.02516.03
5.5.300.0050.02315.97
5.5.290.0050.02216.10
5.5.280.0030.02615.89
5.5.270.0040.02415.99
5.5.260.0020.02516.07
5.5.250.0050.04215.86
5.5.240.0070.03715.43
5.5.230.0050.04515.63
5.5.220.0050.02115.51
5.5.210.0050.02315.71
5.5.200.0030.03315.61
5.5.190.0050.03515.79
5.5.180.0070.04315.74
5.5.170.0060.00611.29
5.5.160.0020.02315.74
5.5.150.0050.02015.60
5.5.140.0060.04215.54
5.5.130.0070.02715.63
5.5.120.0070.04515.66
5.5.110.0020.02815.71
5.5.100.0050.03915.60
5.5.90.0080.02515.60
5.5.80.0070.03615.60
5.5.70.0070.04315.66
5.5.60.0120.03715.68
5.5.50.0070.04215.60
5.5.40.0050.04215.49
5.5.30.0080.03015.65
5.5.20.0100.03515.69
5.5.10.0080.04015.46
5.5.00.0090.03715.60
5.4.450.0090.02915.17
5.4.440.0040.02314.96
5.4.430.0040.02315.24
5.4.420.0010.02715.25
5.4.410.0060.03815.13
5.4.400.0060.03114.81
5.4.390.0060.02015.01
5.4.380.0020.02214.93
5.4.370.0030.02315.01
5.4.360.0030.02015.10
5.4.350.0020.02415.13
5.4.340.0050.03215.02
5.4.330.0040.00410.96
5.4.320.0080.03114.88
5.4.310.0060.02215.02
5.4.300.0030.04114.98
5.4.290.0030.04015.10
5.4.280.0090.03914.98
5.4.270.0050.04314.82
5.4.260.0030.04314.99
5.4.250.0060.04314.81
5.4.240.0050.04214.95
5.4.230.0050.04415.06
5.4.220.0070.03814.89
5.4.210.0030.03115.03
5.4.200.0020.04115.08
5.4.190.0080.03714.92
5.4.180.0070.04214.96
5.4.170.0000.03415.06
5.4.160.0060.03615.13
5.4.150.0050.04215.00
5.4.140.0020.03913.65
5.4.130.0020.03713.74
5.4.120.0030.03913.65
5.4.110.0070.03713.63
5.4.100.0080.03313.59
5.4.90.0030.03813.77
5.4.80.0090.03513.67
5.4.70.0040.02513.81
5.4.60.0050.03813.70
5.4.50.0060.03613.68
5.4.40.0040.04413.68
5.4.30.0050.03513.43
5.4.20.0070.03813.74
5.4.10.0070.02813.74
5.4.00.0070.03313.28
5.3.290.0000.02712.64
5.3.280.0070.04012.40
5.3.270.0100.04012.49
5.3.260.0080.03912.57
5.3.250.0060.03812.63
5.3.240.0060.03712.48
5.3.230.0030.04012.43
5.3.220.0120.03712.63
5.3.210.0020.04012.48
5.3.200.0060.03812.62
5.3.190.0050.02512.49
5.3.180.0100.03512.61
5.3.170.0050.02412.48
5.3.160.0110.03412.63
5.3.150.0070.02512.62
5.3.140.0070.04012.56
5.3.130.0070.02712.62
5.3.120.0070.03612.50
5.3.110.0070.04012.65
5.3.100.0050.04012.43
5.3.90.0060.03812.48
5.3.80.0050.02012.40
5.3.70.0060.03912.45
5.3.60.0120.03512.45
5.3.50.0040.03812.42
5.3.40.0040.02712.39
5.3.30.0090.03412.29
5.3.20.0000.03312.42
5.3.10.0060.02212.34
5.3.00.0030.03812.30
5.2.170.0050.03112.28
5.2.160.0070.02812.28
5.2.150.0060.03412.28
5.2.140.0020.03512.28
5.2.130.0030.03212.28
5.2.120.0030.03112.28
5.2.110.0050.02712.28
5.2.100.0030.03512.28
5.2.90.0020.03512.28
5.2.80.0060.02812.28
5.2.70.0030.03512.28
5.2.60.0100.02712.28
5.2.50.0050.02712.28
5.2.40.0020.02112.28
5.2.30.0030.02712.28
5.2.20.0050.03112.28
5.2.10.0020.03612.28
5.2.00.0030.03512.28
5.1.60.0020.03012.28
5.1.50.0030.01912.28
5.1.40.0050.02712.28
5.1.30.0060.01612.28
5.1.20.0030.01512.28
5.1.10.0040.01912.28
5.1.00.0030.03012.28
5.0.50.0020.02512.28
5.0.40.0050.02012.28
5.0.30.0020.03512.28
5.0.20.0030.02312.28
5.0.10.0040.02512.28
5.0.00.0020.03512.28
4.4.90.0080.01512.28
4.4.80.0030.02012.28
4.4.70.0000.01812.28
4.4.60.0000.02212.28
4.4.50.0020.01912.28
4.4.40.0040.02412.28
4.4.30.0000.01912.28
4.4.20.0020.01812.28
4.4.10.0000.01612.28
4.4.00.0030.02912.28
4.3.110.0070.01512.28
4.3.100.0020.01612.28
4.3.90.0020.02012.28
4.3.80.0030.02812.28
4.3.70.0080.01012.28
4.3.60.0010.02012.28
4.3.50.0030.02012.28
4.3.40.0050.02312.28
4.3.30.0020.02212.28
4.3.20.0000.02212.28
4.3.10.0010.02012.28
4.3.00.0040.01612.28

preferences:
51.71 ms | 401 KiB | 5 Q