3v4l.org

run code in 300+ PHP versions simultaneously
<?php$prenom = 'éo marie chéarles';$nom = 'Léa Maji';$prenomEnMinuscule = \mb_strtolower($prenom, 'utf8');$prenom = \mb_strtoupper(\mb_substr($prenomEnMinuscule, 0, 1, 'utf8'), 'utf8').\mb_substr($prenomEnMinuscule, 1, null, 'utf8');echo $prenom.' '.mb_strtoupper($nom, 'utf8').PHP_EOL;

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)
8.3.70.0100.00716.50
8.3.60.0110.00418.09
8.3.50.0070.01121.00
8.3.40.0110.00418.72
8.3.30.0100.00319.06
8.3.20.0070.00020.15
8.3.10.0030.00523.71
8.3.00.0000.00919.13
8.2.180.0120.00616.63
8.2.170.0070.01022.96
8.2.160.0140.00720.52
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0040.00422.18
8.2.110.0060.00320.43
8.2.100.0070.00318.03
8.2.90.0080.00019.27
8.2.80.0000.00817.97
8.2.70.0040.00417.63
8.2.60.0040.00417.80
8.2.50.0090.00018.07
8.2.40.0000.00819.78
8.2.30.0000.00817.93
8.2.20.0000.00817.55
8.2.10.0040.00417.91
8.2.00.0030.00517.43
8.1.280.0120.00925.92
8.1.270.0060.00322.09
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0060.00323.86
8.1.230.0030.00919.15
8.1.220.0000.00717.74
8.1.210.0000.00918.77
8.1.200.0030.00617.10
8.1.190.0000.00817.22
8.1.180.0060.00318.10
8.1.170.0080.00018.32
8.1.160.0080.00022.05
8.1.150.0000.00818.68
8.1.140.0040.00417.30
8.1.130.0030.00317.61
8.1.120.0000.00717.23
8.1.110.0000.00817.22
8.1.100.0000.00717.16
8.1.90.0040.00417.38
8.1.80.0040.00417.22
8.1.70.0070.00017.33
8.1.60.0030.00617.43
8.1.50.0060.00317.43
8.1.40.0040.00417.38
8.1.30.0050.00317.58
8.1.20.0040.00417.49
8.1.10.0070.00017.43
8.1.00.0040.00417.36
8.0.300.0000.00718.77
8.0.290.0080.00016.63
8.0.280.0030.00318.38
8.0.270.0030.00317.05
8.0.260.0030.00317.25
8.0.250.0030.00316.78
8.0.240.0030.00316.72
8.0.230.0030.00316.73
8.0.220.0070.00016.66
8.0.210.0000.00716.73
8.0.200.0060.00016.78
8.0.190.0030.00616.82
8.0.180.0040.00416.67
8.0.170.0040.00416.79
8.0.160.0000.00816.71
8.0.150.0000.00816.68
8.0.140.0000.00716.71
8.0.130.0070.00013.41
8.0.120.0040.00416.74
8.0.110.0070.00016.74
8.0.100.0040.00416.66
8.0.90.0030.00516.75
8.0.80.0160.00616.71
8.0.70.0030.00516.61
8.0.60.0070.00016.75
8.0.50.0050.00216.57
8.0.30.0110.00717.08
8.0.20.0120.01417.40
8.0.10.0000.00716.88
8.0.00.0080.01016.58
7.4.330.0020.00215.03
7.4.320.0030.00316.43
7.4.300.0000.00816.48
7.4.290.0000.00716.29
7.4.280.0000.00716.31
7.4.270.0030.00316.52
7.4.260.0000.00716.42
7.4.250.0070.00016.23
7.4.240.0020.00516.41
7.4.230.0070.00016.40
7.4.220.0100.01616.54
7.4.210.0090.00616.24
7.4.200.0000.00716.47
7.4.160.0110.00716.32
7.4.150.0070.01117.40
7.4.140.0080.01017.86
7.4.130.0110.00816.57
7.4.120.0140.00316.33
7.4.110.0040.01216.38
7.4.100.0070.01016.25
7.4.90.0110.00616.29
7.4.80.0110.00519.39
7.4.70.0060.01516.34
7.4.60.0130.00316.31
7.4.50.0050.00316.34
7.4.40.0090.00916.56
7.4.30.0150.00716.39
7.3.330.0000.00613.13
7.3.320.0050.00013.23
7.3.310.0000.00715.95
7.3.300.0000.00616.19
7.3.290.0080.00716.16
7.3.280.0050.01216.10
7.3.270.0070.01117.40
7.3.260.0130.00316.41
7.3.250.0060.01516.32
7.3.240.0090.00916.20
7.3.230.0090.01316.39
7.3.210.0060.01216.44
7.3.200.0070.01019.39
7.3.190.0110.00716.15
7.3.180.0090.00916.20
7.3.170.0120.00916.44
7.3.160.0150.00316.39
7.2.330.0030.01316.48
7.2.320.0150.00316.63
7.2.310.0070.01416.60
7.2.300.0130.00416.64
7.2.290.0090.01216.55
5.4.340.0060.03412.01
5.4.320.0060.03612.45
5.4.310.0070.03712.45
5.4.300.0050.03712.45
5.4.290.0100.03312.45
5.4.280.0050.03612.34
5.4.270.0060.03612.35
5.4.260.0060.04412.34
5.4.250.0080.03712.34
5.4.240.0080.03512.35
5.4.230.0090.04712.34
5.4.220.0040.05212.34
5.4.210.0080.05412.34
5.4.200.0090.05112.34
5.4.190.0110.04412.34
5.4.180.0080.03412.33
5.4.170.0090.03612.35
5.4.160.0040.03912.34
5.4.150.0060.03612.34
5.4.140.0060.03712.02
5.4.130.0050.03812.01
5.4.120.0050.03611.96
5.4.110.0060.03511.96
5.4.100.0040.03811.96
5.4.90.0060.03711.96
5.4.80.0040.03811.96
5.4.70.0060.03411.96
5.4.60.0050.04311.96
5.4.50.0100.03311.96
5.4.40.0040.04011.95
5.4.30.0070.03411.95
5.4.20.0070.03411.95
5.4.10.0030.03811.95
5.4.00.0090.03811.43

preferences:
40.53 ms | 401 KiB | 5 Q