3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = "what_the_hey_now"; echo mb_convert_case(str_replace("_", " ", $string), MB_CASE_TITLE, "UTF-8");

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)
8.3.80.0060.00317.97
8.3.70.0070.00716.52
8.3.60.0070.01418.43
8.3.50.0070.00517.18
8.3.40.0090.00618.75
8.3.30.0040.01118.64
8.3.20.0060.00318.61
8.3.10.0090.00021.54
8.3.00.0000.00823.64
8.2.200.0090.00016.63
8.2.190.0120.00318.04
8.2.180.0040.01116.62
8.2.170.0040.01122.96
8.2.160.0110.00418.82
8.2.150.0070.00024.18
8.2.140.0050.00324.66
8.2.130.0180.00321.12
8.2.120.0050.00326.35
8.2.110.0040.00422.25
8.2.100.0000.01217.69
8.2.90.0080.00018.09
8.2.80.0060.00319.22
8.2.70.0060.00617.50
8.2.60.0030.00618.04
8.2.50.0060.00318.07
8.2.40.0000.00919.95
8.2.30.0000.00818.09
8.2.20.0040.00417.93
8.2.10.0000.00718.06
8.2.00.0090.00017.95
8.1.290.0040.00430.84
8.1.280.0070.01125.92
8.1.270.0070.00321.99
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0050.00524.05
8.1.230.0060.00622.75
8.1.220.0000.01017.74
8.1.210.0040.00418.77
8.1.200.0040.00417.35
8.1.190.0100.00317.23
8.1.180.0040.00418.10
8.1.170.0060.00318.78
8.1.160.0040.00419.00
8.1.150.0060.00318.84
8.1.140.0040.00418.88
8.1.130.0030.00320.32
8.1.120.0040.00717.33
8.1.110.0030.00517.45
8.1.100.0000.00817.45
8.1.90.0030.00517.45
8.1.80.0040.00417.37
8.1.70.0030.00317.51
8.1.60.0040.00417.54
8.1.50.0000.00717.46
8.1.40.0040.00717.50
8.1.30.0050.00817.50
8.1.20.0000.00817.55
8.1.10.0040.00417.63
8.1.00.0040.00417.36
8.0.300.0080.00022.03
8.0.290.0070.00016.75
8.0.280.0030.00318.41
8.0.270.0070.00017.22
8.0.260.0030.00322.00
8.0.250.0000.00716.95
8.0.240.0000.00816.94
8.0.230.0030.00316.84
8.0.220.0070.00016.89
8.0.210.0000.00716.81
8.0.200.0050.00216.82
8.0.190.0030.00616.87
8.0.180.0000.00816.74
8.0.170.0060.00316.76
8.0.160.0000.00716.91
8.0.150.0030.00316.87
8.0.140.0030.00516.85
8.0.130.0070.00013.35
8.0.120.0030.00616.85
8.0.110.0080.00016.95
8.0.100.0000.00816.92
8.0.90.0000.00716.85
8.0.80.0130.00616.94
8.0.70.0000.00816.77
8.0.60.0030.00516.91
8.0.50.0000.00816.95
8.0.30.0110.00917.14
8.0.20.0080.01017.40
8.0.10.0050.00316.75
8.0.00.0100.01216.73
7.4.330.0050.00015.55
7.4.320.0000.00616.35
7.4.300.0080.00016.57
7.4.290.0040.00416.45
7.4.280.0030.00616.58
7.4.270.0100.00016.52
7.4.260.0070.00016.48
7.4.250.0000.00816.46
7.4.240.0050.00316.50
7.4.230.0040.00416.59
7.4.220.0030.00516.41
7.4.210.0100.00716.55
7.4.200.0050.00316.38
7.4.160.0090.00716.52
7.4.140.0100.00717.86
7.4.130.0170.00016.61
7.4.120.0080.01116.45
7.4.110.0130.00316.45
7.4.100.0090.00816.50
7.4.90.0060.01616.38
7.4.80.0140.00619.39
7.4.70.0140.00316.54
7.4.60.0130.00316.30
7.4.50.0140.00316.09
7.4.40.0060.01316.45
7.4.00.0030.01415.10
7.3.330.0060.00013.09
7.3.320.0000.00613.19
7.3.310.0030.00316.30
7.3.300.0000.00716.10
7.3.290.0030.00316.20
7.3.280.0040.01116.24
7.3.260.0130.00816.37
7.3.240.0120.00616.26
7.3.230.0110.00816.49
7.3.210.0090.00916.44
7.3.200.0120.00916.54
7.3.190.0090.00616.38
7.3.180.0130.00716.10
7.3.170.0140.00916.49
7.3.160.0120.00316.14
7.3.10.0030.01216.55
7.3.00.0030.01016.45
7.2.330.0060.01316.33
7.2.320.0100.01016.55
7.2.310.0170.00316.44
7.2.300.0080.00816.27
7.2.290.0130.01016.40
7.2.130.0080.00816.82
7.2.120.0090.01216.97
7.2.110.0030.01116.88
7.2.100.1220.01315.63
7.2.90.0530.00915.77
7.2.80.0130.00515.54
7.2.70.0460.01015.80
7.2.60.0110.00515.82
7.2.50.0860.00815.93
7.2.40.0540.00615.92
7.2.30.0110.00516.03
7.2.20.0770.00515.82
7.2.10.0210.00615.90
7.2.00.0080.01215.85
7.1.250.0070.01015.82
7.1.220.2500.00613.95
7.1.210.1770.01013.87
7.1.200.1150.00913.56
7.1.190.0120.01213.70
7.1.180.0570.00913.82
7.1.170.0250.00813.57
7.1.160.1570.00613.85
7.1.150.0510.01013.82
7.1.140.1170.00313.59
7.1.130.2560.01013.97
7.1.120.0950.00613.84
7.1.110.0070.01513.93
7.1.100.1150.00613.75
7.1.90.2940.00614.00
7.1.80.0210.01413.88
7.1.70.0290.00713.90
7.1.60.0350.00631.76
7.1.50.1130.01332.03
7.1.40.0240.01032.01
7.1.30.0760.00731.88
7.1.20.0320.00631.94
7.1.10.3190.00713.96
7.1.00.0900.01013.90
5.6.380.0140.00414.06

preferences:
25.53 ms | 401 KiB | 5 Q