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)
8.3.40.0110.00318.55
8.3.30.0030.01119.14
8.3.20.0040.00420.33
8.3.10.0030.00523.61
8.3.00.0080.00019.26
8.2.170.0090.00922.96
8.2.160.0100.00320.65
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0090.00022.34
8.2.110.0090.00021.19
8.2.100.0130.00018.16
8.2.90.0060.00319.33
8.2.80.0080.00017.97
8.2.70.0040.00417.88
8.2.60.0050.00318.16
8.2.50.0030.00618.25
8.2.40.0040.00420.67
8.2.30.0050.00219.41
8.2.20.0040.00417.74
8.2.10.0040.00418.16
8.2.00.0040.00817.79
8.1.270.0090.00022.18
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0130.00019.56
8.1.230.0000.01217.76
8.1.220.0040.00417.89
8.1.210.0030.00618.77
8.1.200.0040.00417.48
8.1.190.0000.00917.48
8.1.180.0040.00418.10
8.1.170.0000.00818.91
8.1.160.0080.00019.15
8.1.150.0050.00219.13
8.1.140.0040.00417.75
8.1.130.0000.00718.06
8.1.120.0040.00417.68
8.1.110.0000.00717.61
8.1.100.0000.00717.77
8.1.90.0040.00417.64
8.1.80.0000.00817.69
8.1.70.0030.00317.67
8.1.60.0060.00317.82
8.1.50.0030.00617.61
8.1.40.0060.00317.72
8.1.30.0050.00317.83
8.1.20.0040.00417.86
8.1.10.0000.00717.62
8.1.00.0070.00017.68
8.0.300.0040.00418.77
8.0.290.0000.00916.88
8.0.280.0080.00018.58
8.0.270.0030.00317.36
8.0.260.0030.00317.39
8.0.250.0030.00516.96
8.0.240.0070.00017.09
8.0.230.0000.00717.11
8.0.220.0030.00317.05
8.0.210.0040.00317.02
8.0.200.0000.00617.04
8.0.190.0030.00617.02
8.0.180.0000.00717.09
8.0.170.0050.00316.97
8.0.160.0030.00516.99
8.0.150.0000.00716.85
8.0.140.0000.00816.99
8.0.130.0040.00413.46
8.0.120.0040.00416.95
8.0.110.0000.00717.05
8.0.100.0040.00417.07
8.0.90.0000.00717.04
8.0.80.0040.01216.98
8.0.70.0000.00716.83
8.0.60.0040.00417.02
8.0.50.0000.00716.88
8.0.30.0120.00817.20
8.0.20.0050.01417.40
8.0.10.0000.00716.87
8.0.00.0120.00516.91
7.4.330.0000.00615.20
7.4.320.0000.00616.75
7.4.300.0060.00016.67
7.4.290.0000.00716.62
7.4.280.0000.00816.77
7.4.270.0030.00316.61
7.4.260.0050.00216.62
7.4.250.0030.00516.59
7.4.240.0020.00616.65
7.4.230.0030.00316.68
7.4.220.0070.01816.71
7.4.210.0100.01016.54
7.4.200.0070.00016.55
7.4.160.0070.01016.54
7.4.150.0130.01017.40
7.4.140.0140.00917.86
7.4.130.0100.01016.61
7.4.120.0080.00916.57
7.4.110.0140.00716.72
7.4.100.0090.00916.47
7.4.90.0100.00716.48
7.4.80.0060.01019.39
7.4.70.0060.01316.45
7.4.60.0040.01416.48
7.4.50.0050.00016.71
7.4.40.0070.01016.38
7.4.30.0110.00616.37
7.4.00.0100.00815.05
7.3.330.0000.00513.36
7.3.320.0000.00513.30
7.3.310.0040.00416.46
7.3.300.0060.00016.44
7.3.290.0090.00416.45
7.3.280.0070.00716.48
7.3.270.0120.00617.40
7.3.260.0120.00916.58
7.3.250.0090.00916.63
7.3.240.0120.00616.52
7.3.230.0090.01216.55
7.3.210.0030.01316.46
7.3.200.0070.01019.39
7.3.190.0070.01516.45
7.3.180.0130.00316.56
7.3.170.0160.00716.74
7.3.160.0080.00916.27
7.3.120.0080.00914.95
7.3.110.0090.00914.75
7.3.100.0060.01214.94
7.3.90.0050.00614.87
7.3.80.0070.00615.00
7.3.70.0060.00914.90
7.3.60.0030.00714.87
7.3.50.0040.01214.79
7.3.40.0070.00814.95
7.3.30.0080.00414.73
7.3.20.0070.00616.67
7.3.10.0060.00716.61
7.3.00.0090.00516.83
7.2.330.0150.00316.73
7.2.320.0100.00716.83
7.2.310.0150.00316.54
7.2.300.0110.01116.77
7.2.290.0060.01216.64
7.2.250.0080.01015.07
7.2.240.0070.01114.96
7.2.230.0070.00815.02
7.2.220.0020.01015.19
7.2.210.0080.00815.19
7.2.200.0050.00715.11
7.2.190.0070.00415.04
7.2.180.0040.01115.03
7.2.170.0030.00815.19
7.2.160.0080.00815.10
7.2.150.0060.00817.03
7.2.140.0050.00817.04
7.2.130.0070.00916.94
7.2.120.0080.00416.99
7.2.110.0050.01017.02
7.2.100.0050.01017.01
7.2.90.0070.00617.05
7.2.80.0080.00716.84
7.2.70.0050.00917.13
7.2.60.0060.00817.00
7.2.50.0060.00617.06
7.2.40.0060.00817.19
7.2.30.0060.00816.92
7.2.20.0050.01017.07
7.2.10.0070.00716.90
7.2.00.0100.00717.40
7.1.330.0080.00715.77
7.1.320.0070.00815.75
7.1.310.0030.00915.87
7.1.300.0050.00715.83
7.1.290.0060.00715.69
7.1.280.0060.00515.85
7.1.270.0070.00815.74
7.1.260.0010.01015.82
7.1.250.0070.00815.82
7.1.240.0060.00715.74
7.1.230.0060.00815.85
7.1.220.0070.00515.63
7.1.210.0080.00715.81
7.1.200.0050.00715.79
7.1.190.0050.00815.72
7.1.180.0070.00515.71
7.1.170.0050.01015.74
7.1.160.0060.00715.88
7.1.150.0040.00815.92
7.1.140.0070.00715.77
7.1.130.0060.00615.76
7.1.120.0080.00515.67
7.1.110.0090.00515.91
7.1.100.0070.00716.29
7.1.90.0080.00715.81
7.1.80.0040.01015.82
7.1.70.0050.00816.15
7.1.60.0020.01016.62
7.1.50.0060.00816.18
7.1.40.0060.00515.89
7.1.30.0030.00815.95
7.1.20.0060.00715.87
7.1.10.0060.00815.75
7.1.00.0070.02417.45
7.0.330.0010.00915.53
7.0.320.0080.00315.49
7.0.310.0090.00415.37
7.0.300.0040.00915.46
7.0.290.0050.00515.48
7.0.280.0070.00715.36
7.0.270.0060.00615.59
7.0.260.0060.00815.40
7.0.250.0050.00715.60
7.0.240.0080.00315.46
7.0.230.0050.00715.49
7.0.220.0050.00715.43
7.0.210.0070.00415.59
7.0.200.0050.00915.96
7.0.190.0030.01015.60
7.0.180.0050.00715.51
7.0.170.0050.00815.56
7.0.160.0080.00415.61
7.0.150.0100.00215.41
7.0.140.0040.02517.14
7.0.130.0060.00715.59
7.0.120.0080.00615.63
7.0.110.0070.00615.55
7.0.100.0080.00715.58
7.0.90.0070.00615.38
7.0.80.0060.00715.52
7.0.70.0050.00915.57
7.0.60.0030.01816.66
7.0.50.0050.01616.10
7.0.40.0040.01715.31
7.0.30.0100.02415.21
7.0.20.0150.02315.21
7.0.10.0100.02315.22
7.0.00.0060.02715.17
5.6.400.0060.00614.26
5.6.390.0050.00814.56
5.6.380.0050.00614.38
5.6.370.0030.01114.20
5.6.360.0040.00914.44
5.6.350.0020.00814.38
5.6.340.0020.01214.34
5.6.330.0070.00914.44
5.6.320.0070.00814.43
5.6.310.0040.01014.35
5.6.300.0040.00814.34
5.6.290.0040.00714.36
5.6.280.0040.03015.96
5.6.270.0080.00414.41
5.6.260.0060.00514.33
5.6.250.0070.00614.49
5.6.240.0070.00514.41
5.6.230.0030.01014.35
5.6.220.0040.00714.49
5.6.210.0070.02415.95
5.6.200.0060.02015.36
5.6.190.0060.02015.86
5.6.180.0070.01715.71
5.6.170.0080.02815.86
5.6.160.0060.02615.80
5.6.150.0090.02115.37
5.6.140.0050.02715.31
5.6.130.0070.02415.37
5.6.120.0060.02615.92
5.6.110.0070.02616.05
5.6.100.0070.01715.96
5.6.90.0090.02616.01
5.6.80.0100.01815.82
5.6.70.0110.02115.93
5.6.60.0060.00914.35
5.6.50.0050.01014.36
5.6.40.0060.00714.45
5.6.30.0030.00714.31
5.6.20.0060.00914.20
5.6.10.0070.00614.14
5.6.00.0050.00714.36
5.5.380.0080.00513.22
5.5.370.0030.00813.11
5.5.360.0040.00813.22
5.5.350.0020.03115.02
5.5.340.0100.01714.34
5.5.330.0030.01814.80
5.5.320.0120.01815.05
5.5.310.0080.02614.98
5.5.300.0080.01214.44
5.5.290.0050.02614.38
5.5.280.0050.01515.04
5.5.270.0060.02515.03
5.5.260.0060.02415.05
5.5.250.0070.02315.04
5.5.240.0090.02314.76
5.5.230.0060.00513.21
5.5.220.0040.00813.13
5.5.210.0050.00913.15
5.5.200.0030.01013.08
5.5.190.0030.00913.21
5.5.180.0030.00913.21
5.5.170.0070.00613.24
5.5.160.0050.00713.18
5.5.150.0040.00613.30
5.5.140.0020.01113.28
5.5.130.0070.00613.21
5.5.120.0070.00513.23
5.5.110.0040.00913.12
5.5.100.0050.00913.08
5.5.90.0080.00513.14
5.5.80.0060.00513.08
5.5.70.0070.00413.21
5.5.60.0060.00413.29
5.5.50.0080.00213.20
5.5.40.0050.00813.06
5.5.30.0050.00713.22
5.5.20.0030.00712.89
5.5.10.0050.00513.12
5.5.00.0070.00513.12
5.4.450.0250.01513.89
5.4.440.0100.01113.88
5.4.430.0090.02213.93
5.4.420.0030.02013.82
5.4.410.0090.01313.96
5.4.400.0090.01213.83
5.4.390.0110.01413.82
5.4.380.0060.01313.75
5.4.370.0110.01713.94
5.4.360.0080.01513.91
5.4.350.0090.01313.84
5.4.340.0050.01413.83
5.4.330.0060.00412.21
5.4.320.0040.02513.89
5.4.310.0030.01813.92
5.4.300.0450.01313.95
5.4.290.0600.01313.91
5.4.280.0600.01513.89
5.4.270.0240.01513.87
5.4.260.0020.01613.83
5.4.250.0050.02013.88
5.4.240.0540.01313.89
5.4.230.0570.01513.85
5.4.220.0070.01613.88
5.4.210.0070.01813.92
5.4.200.0100.01913.75
5.4.190.0080.01313.97
5.4.180.0080.01513.88
5.4.170.0080.01513.96
5.4.160.0070.01313.82
5.4.150.0100.01713.85
5.4.140.0100.01613.14
5.4.130.0070.01613.18
5.4.120.0060.01713.18
5.4.110.0120.02013.22
5.4.100.0090.01413.23
5.4.90.0050.01713.18
5.4.80.0070.01513.13
5.4.70.0080.01213.10
5.4.60.0070.01413.17
5.4.50.0070.01613.07
5.4.40.0070.01513.12
5.4.30.0060.01413.10
5.4.20.0070.01613.18
5.4.10.0090.01813.15
5.4.00.0060.01413.09
5.3.290.0130.02112.63
5.3.280.0150.02212.45
5.3.270.0130.03812.45
5.3.260.0140.02412.51
5.3.250.0120.02012.58
5.3.240.0050.02712.34
5.3.230.0100.03112.49
5.3.220.0120.02312.44
5.3.210.0090.03412.35
5.3.200.0050.02712.49
5.3.190.0090.02212.34
5.3.180.0100.02012.45
5.3.170.0150.02712.48
5.3.160.0100.02212.51
5.3.150.0080.02112.44
5.3.140.0100.02712.47
5.3.130.0100.02212.49
5.3.120.0120.02912.28
5.3.110.0130.01712.43
5.3.100.0130.01912.25
5.3.90.0130.02012.18
5.3.80.0050.02612.11
5.3.70.0170.01812.02
5.3.60.0170.01512.15
5.3.50.0120.01912.09
5.3.40.0130.02012.09
5.3.30.0130.03312.12
5.3.20.0110.02612.02
5.3.10.0080.03311.87
5.3.00.0000.02811.83
5.2.170.0080.01510.34
5.2.160.0550.01510.40
5.2.150.0950.02110.34
5.2.140.1030.02010.26
5.2.130.0900.01910.26
5.2.120.1280.01110.38
5.2.110.1000.01310.46
5.2.100.1070.02010.52
5.2.90.0940.01710.52
5.2.80.1070.01510.35
5.2.70.0950.01510.44
5.2.60.1070.02010.26
5.2.50.0050.01810.29
5.2.40.0030.02010.10
5.2.30.0050.01610.23
5.2.20.0300.01810.04
5.2.10.0870.01810.15
5.2.00.0760.0169.99
5.1.60.0800.0109.32
5.1.50.0790.0129.29
5.1.40.0750.0149.34
5.1.30.0780.0219.53
5.1.20.0810.0159.50
5.1.10.0900.0139.42
5.1.00.0810.0189.38
5.0.50.0440.0128.41
5.0.40.0510.0108.47
5.0.30.0420.0138.25
5.0.20.0420.0078.25
5.0.10.0370.0148.28
5.0.00.0030.0178.25
4.4.90.0020.0128.25
4.4.80.0020.0108.25
4.4.70.0020.0128.25
4.4.60.0030.0168.25
4.4.50.0000.0128.25
4.4.40.0040.0198.25
4.4.30.0150.0198.25
4.4.20.0350.0128.25
4.4.10.0470.0118.25
4.4.00.0370.0158.25
4.3.110.0430.0148.25
4.3.100.0470.0158.25
4.3.90.0370.0128.25
4.3.80.0360.0158.25
4.3.70.0420.0148.25
4.3.60.0480.0108.25
4.3.50.0450.0158.25
4.3.40.0400.0158.25
4.3.30.0230.0138.25
4.3.20.0210.0088.25
4.3.10.0230.0178.25
4.3.00.0280.0138.25

preferences:
46.08 ms | 400 KiB | 5 Q