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)
8.3.60.0110.00418.14
8.3.50.0120.00622.05
8.3.40.0040.01118.71
8.3.30.0140.00019.04
8.3.20.0050.00220.24
8.3.10.0040.00423.66
8.3.00.0040.00419.13
8.2.180.0040.01316.88
8.2.170.0120.00322.96
8.2.160.0070.01020.55
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0000.00726.16
8.2.120.0040.00422.36
8.2.110.0060.00320.63
8.2.100.0030.00918.34
8.2.90.0000.00719.25
8.2.80.0000.00817.97
8.2.70.0060.00317.63
8.2.60.0040.00417.93
8.2.50.0040.00418.07
8.2.40.0030.00620.10
8.2.30.0000.00718.20
8.2.20.0050.00217.87
8.2.10.0000.00718.26
8.2.00.0070.00317.76
8.1.280.0090.00925.92
8.1.270.0080.00822.25
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0000.00923.89
8.1.230.0000.01119.27
8.1.220.0030.00617.74
8.1.210.0030.00618.77
8.1.200.0050.00517.47
8.1.190.0040.00417.61
8.1.180.0000.00718.10
8.1.170.0060.00318.91
8.1.160.0040.00422.20
8.1.150.0040.00419.15
8.1.140.0070.00017.63
8.1.130.0040.00417.93
8.1.120.0070.00017.69
8.1.110.0040.00417.55
8.1.100.0050.00217.62
8.1.90.0000.01017.65
8.1.80.0040.00417.69
8.1.70.0040.00417.61
8.1.60.0060.00317.73
8.1.50.0030.00517.72
8.1.40.0060.00317.69
8.1.30.0090.00017.84
8.1.20.0000.00717.87
8.1.10.0070.00017.58
8.1.00.0070.00017.70
8.0.300.0000.00818.77
8.0.290.0040.00416.75
8.0.280.0000.00718.49
8.0.270.0030.00317.39
8.0.260.0000.00617.27
8.0.250.0000.00717.05
8.0.240.0030.00317.09
8.0.230.0030.00317.07
8.0.220.0000.00717.08
8.0.210.0030.00317.09
8.0.200.0060.00017.12
8.0.190.0000.01217.08
8.0.180.0000.00717.04
8.0.170.0040.00417.03
8.0.160.0070.00017.15
8.0.150.0000.00717.06
8.0.140.0030.00316.97
8.0.130.0090.00013.52
8.0.120.0080.00017.06
8.0.110.0000.00717.09
8.0.100.0040.00417.12
8.0.90.0040.00416.91
8.0.80.0080.00617.02
8.0.70.0050.00317.03
8.0.60.0000.00716.81
8.0.50.0000.00716.89
8.0.30.0110.00917.23
8.0.20.0120.01117.40
8.0.10.0030.00616.98
8.0.00.0110.00716.69
7.4.330.0000.00515.20
7.4.320.0060.00016.74
7.4.300.0030.00316.65
7.4.290.0000.00716.62
7.4.280.0040.00416.66
7.4.270.0040.00416.74
7.4.260.0000.00716.69
7.4.250.0000.00716.63
7.4.240.0020.00516.69
7.4.230.0070.00016.68
7.4.220.0150.00916.60
7.4.210.0070.00716.74
7.4.200.0030.00316.43
7.4.160.0120.00316.52
7.4.150.0090.00917.40
7.4.140.0070.01517.86
7.4.130.0110.01016.59
7.4.120.0080.00816.63
7.4.110.0060.00916.63
7.4.100.0030.01716.55
7.4.90.0100.00716.56
7.4.80.0160.00419.39
7.4.70.0070.01116.45
7.4.60.0000.01616.71
7.4.50.0040.00416.51
7.4.40.0110.00616.61
7.4.30.0130.00716.65
7.4.00.0100.00315.21
7.3.330.0030.00313.38
7.3.320.0030.00313.27
7.3.310.0030.00316.46
7.3.300.0000.00616.47
7.3.290.0050.01016.48
7.3.280.0090.00616.46
7.3.270.0100.01017.40
7.3.260.0040.01216.41
7.3.250.0140.00716.49
7.3.240.0170.00016.34
7.3.230.0030.01316.56
7.3.210.0150.00316.47
7.3.200.0120.00619.39
7.3.190.0070.01616.33
7.3.180.0150.00316.52
7.3.170.0060.01016.47
7.3.160.0030.01316.50
7.2.330.0070.01016.86
7.2.320.0060.01216.86
7.2.310.0150.00316.84
7.2.300.0070.01016.98
7.2.290.0060.01116.73
7.2.00.0030.01019.69
7.1.100.0000.01418.32
7.1.70.0030.00617.34
7.1.60.0110.01519.11
7.1.50.0100.01616.82
7.1.00.0030.07722.36
7.0.200.0030.00617.06
7.0.140.0070.07322.12
7.0.100.0330.06719.88
7.0.90.0370.08019.90
7.0.80.0300.08319.99
7.0.70.0300.04319.91
7.0.60.0370.07720.05
7.0.50.0330.06020.25
7.0.40.0130.06720.17
7.0.30.0030.05720.17
7.0.20.0170.06720.11
7.0.10.0070.08320.18
7.0.00.0070.08320.09
5.6.280.0070.07020.85
5.6.250.0200.07020.60
5.6.240.0070.08320.67
5.6.230.0230.06720.50
5.6.220.0100.05020.62
5.6.210.0100.08720.70
5.6.200.0200.06021.14
5.6.190.0070.05021.03
5.6.180.0100.08021.03
5.6.170.0030.08321.04
5.6.160.0070.08321.13
5.6.150.0100.05721.11
5.6.140.0200.07721.02
5.6.130.0100.08021.07
5.6.120.0070.08021.03
5.6.110.0100.07321.12
5.6.100.0030.04321.00
5.6.90.0130.04320.98
5.6.80.0100.03720.42
5.6.70.0130.03020.46
5.6.60.0100.03320.39
5.6.50.0030.04020.41
5.6.40.0070.03020.31
5.6.30.0070.06720.43
5.6.20.0030.05320.40
5.6.10.0030.05320.39
5.6.00.0000.04020.42
5.5.380.0070.04720.45
5.5.370.0030.08720.37
5.5.360.0070.05020.43
5.5.350.0100.08020.44
5.5.340.0100.07020.80
5.5.330.0070.07320.91
5.5.320.0200.07020.82
5.5.310.0100.08020.90
5.5.300.0070.06720.88
5.5.290.0100.08320.90
5.5.280.0000.06020.84
5.5.270.0100.07720.90
5.5.260.0170.04020.86
5.5.250.0070.04020.69
5.5.240.0000.04720.18
5.5.230.0070.04020.21
5.5.220.0070.03720.00
5.5.210.0070.03720.19
5.5.200.0030.04020.14
5.5.190.0200.02320.11
5.5.180.0030.07020.12
5.5.160.0030.03720.21
5.5.150.0130.06020.12
5.5.140.0130.04020.27
5.5.130.0070.03720.15
5.5.120.0070.05320.14
5.5.110.0000.05320.22
5.5.100.0070.03720.05
5.5.90.0100.03020.05
5.5.80.0030.04020.14
5.5.70.0000.04320.05
5.5.60.0100.03020.12
5.5.50.0070.03720.13
5.5.40.0000.04320.15
5.5.30.0070.03719.98
5.5.20.0070.03720.13
5.5.10.0000.05319.95
5.5.00.0000.04320.00
5.4.450.0100.08019.45
5.4.440.0070.08019.30
5.4.430.0100.07719.39
5.4.420.0030.04319.24
5.4.410.0030.04019.23
5.4.400.0070.03719.23
5.4.390.0030.04018.81
5.4.380.0030.03719.11
5.4.370.0030.03318.95
5.4.360.0030.04019.07
5.4.350.0030.07319.10
5.4.340.0070.04719.14
5.4.320.0070.07019.12
5.4.310.0070.06319.12
5.4.300.0030.04018.94
5.4.290.0070.04019.02
5.4.280.0130.02719.07
5.4.270.0000.05019.11
5.4.260.0000.04018.79
5.4.250.0030.06318.96
5.4.240.0030.03719.10
5.4.230.0100.03319.06
5.4.220.0000.05318.77
5.4.210.0000.04318.87
5.4.200.0030.03719.11
5.4.190.0000.04018.79
5.4.180.0000.03718.93
5.4.170.0100.03019.22
5.4.160.0030.05719.09
5.4.150.0070.04019.01
5.4.140.0070.03716.13
5.4.130.0030.03716.28
5.4.120.0000.03716.05
5.4.110.0030.03316.38
5.4.100.0030.05016.31
5.4.90.0000.03016.36
5.4.80.0070.03016.41
5.4.70.0100.04716.34
5.4.60.0030.05016.36
5.4.50.0130.06716.39
5.4.40.0170.06716.46
5.4.30.0030.07316.27
5.4.20.0070.07316.39
5.4.10.0100.06016.41
5.4.00.0070.07315.83
5.3.290.0030.05314.63
5.3.280.0070.05314.57
5.3.270.0030.03314.57
5.3.260.0100.03014.56
5.3.250.0000.04014.52
5.3.240.0030.04014.59
5.3.230.0030.03314.45
5.3.220.0000.04014.39
5.3.210.0030.03714.58
5.3.200.0000.04014.39
5.3.190.0070.03714.52
5.3.180.0000.04314.50
5.3.170.0070.03014.54
5.3.160.0070.03014.42
5.3.150.0070.03314.42
5.3.140.0100.06714.39
5.3.130.0100.07314.41
5.3.120.0030.07714.54
5.3.110.0070.06314.53
5.3.100.0070.05314.00
5.3.90.0070.07013.97
5.3.80.0030.07313.97
5.3.70.0100.07313.79
5.3.60.0030.06713.95
5.3.50.0030.07713.93
5.3.40.0070.07013.91
5.3.30.0100.06713.68
5.3.20.0030.06013.59
5.3.10.0070.04313.59
5.3.00.0070.06713.61
5.2.170.0100.05311.19
5.2.160.0070.06011.09
5.2.150.0030.04710.95
5.2.140.0030.06311.21
5.2.130.0070.06311.13
5.2.120.0070.06310.92
5.2.110.0000.04010.94
5.2.100.0030.06311.09
5.2.90.0100.05011.09
5.2.80.0030.04711.09
5.2.70.0030.06311.01
5.2.60.0030.06311.05
5.2.50.0070.05310.98
5.2.40.0100.05310.84
5.2.30.0070.05310.84
5.2.20.0070.03710.92
5.2.10.0030.06010.80
5.2.00.0070.05710.74
5.1.60.0070.0409.99
5.1.50.0000.0609.98
5.1.40.0030.0479.96
5.1.30.0030.05710.33
5.1.20.0070.03010.36
5.1.10.0100.0309.94
5.1.00.0030.05010.14
5.0.50.0000.0339.76
5.0.40.0100.0379.76
5.0.30.0000.0479.76
5.0.20.0070.0339.76
5.0.10.0030.0339.76
5.0.00.0000.0609.76
4.4.90.0070.0279.76
4.4.80.0000.0379.76
4.4.70.0030.0379.76
4.4.60.0030.0339.76
4.4.50.0000.0379.76
4.4.40.0000.0539.76
4.4.30.0000.0309.76
4.4.20.0070.0309.76
4.4.10.0030.0379.76
4.4.00.0000.0409.76
4.3.110.0030.0239.76
4.3.100.0030.0339.76
4.3.90.0000.0379.76
4.3.80.0000.0509.76
4.3.70.0000.0379.76
4.3.60.0100.0279.76
4.3.50.0000.0179.76
4.3.40.0070.0439.76
4.3.30.0000.0379.76
4.3.20.0030.0179.76
4.3.10.0000.0409.76
4.3.00.0000.0339.76

preferences:
48.58 ms | 401 KiB | 5 Q