3v4l.org

run code in 200+ PHP versions simultaneously
<?php mb_internal_encoding("UTF-8"); setlocale(LC_ALL, "tr-TR"); echo mb_strtoupper("i i ı ğ Ğ Τάχιστη αλώπηξ βαφής ψημένη γη, δρασκελίζει υπέρ νωθρού κυνός"); echo "\n"; echo mb_strtoupper("i i ı ğ Ğ Τάχιστη αλώπηξ βαφής ψημένη γη, δρασκελίζει υπέρ νωθρού κυνός"); echo "\n"; echo "İ " . mb_strtolower("İ") . " " . mb_strtoupper(mb_strtolower("İ")); echo "\n"; echo strtoupper("i ı ğ Ğ Τάχιστη αλώπηξ βαφής ψημένη γη, δρασκελίζει υπέρ νωθρού κυνός"); ?>

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)
7.4.10.0130.00615.00
7.4.00.0050.01414.93
7.3.130.0130.00614.84
7.3.120.0080.00614.79
7.3.110.0120.00414.67
7.3.100.0030.01214.74
7.3.90.0030.00814.67
7.3.80.0020.00814.84
7.3.70.0050.00914.80
7.3.60.0060.00714.88
7.3.50.0050.00614.75
7.3.40.0030.00914.75
7.3.30.0070.00614.85
7.3.20.0090.00516.36
7.3.10.0070.00516.50
7.3.00.0070.00616.62
7.2.260.0100.01015.01
7.2.250.0090.01215.24
7.2.240.0030.01315.01
7.2.230.0120.00515.10
7.2.220.0070.00815.10
7.2.210.0100.00314.97
7.2.200.0020.01015.05
7.2.190.0030.01215.04
7.2.180.0020.01215.08
7.2.170.0090.00315.05
7.2.160.0080.00715.04
7.2.150.0020.00816.92
7.2.140.0080.00717.00
7.2.130.0120.00516.79
7.2.120.0090.00716.84
7.2.110.0090.00316.93
7.2.100.0080.00516.81
7.2.90.0030.01317.16
7.2.80.0090.00517.05
7.2.70.0060.00816.83
7.2.60.0130.00616.71
7.2.50.0090.00617.04
7.2.40.0040.00616.71
7.2.30.0000.01316.96
7.2.20.0070.00716.95
7.2.10.0080.00416.81
7.2.00.0090.00916.98
7.1.330.0080.00815.71
7.1.320.0070.00715.62
7.1.310.0050.00915.72
7.1.300.0090.00615.61
7.1.290.0060.00715.67
7.1.280.0080.00515.70
7.1.270.0010.00915.78
7.1.260.0040.00915.69
7.1.250.0100.00515.74
7.1.240.0040.01115.79
7.1.230.0060.00615.70
7.1.220.0030.01015.65
7.1.210.0040.00715.89
7.1.200.0090.00815.53
7.1.190.0110.00315.55
7.1.180.0000.01115.48
7.1.170.0000.01215.84
7.1.160.0070.00715.62
7.1.150.0030.00915.55
7.1.140.0080.00015.72
7.1.130.0030.00915.86
7.1.120.0090.00615.52
7.1.110.0080.01115.86
7.1.100.0030.00716.90
7.1.90.0060.00915.83
7.1.80.0080.00415.77
7.1.70.0060.00516.38
7.1.60.0070.01017.51
7.1.50.0070.00816.24
7.1.40.0000.01315.51
7.1.30.0030.01015.45
7.1.20.0070.01015.53
7.1.10.0080.00415.69
7.1.00.0080.02219.08
7.0.330.0000.00915.30
7.0.320.0120.00015.25
7.0.310.0070.00715.56
7.0.300.0070.00715.44
7.0.290.0060.00315.41
7.0.280.0070.00715.32
7.0.270.0030.00915.28
7.0.260.0060.00915.40
7.0.250.0090.00615.30
7.0.240.0060.00615.27
7.0.230.0100.00315.50
7.0.220.0060.00315.27
7.0.210.0030.01015.43
7.0.200.0050.00515.91
7.0.190.0030.00715.09
7.0.180.0040.01115.30
7.0.170.0040.01215.33
7.0.160.0030.00915.41
7.0.150.0070.00715.26
7.0.140.0040.03718.71
7.0.130.0000.01515.55
7.0.120.0080.00315.32
7.0.110.0100.04017.68
7.0.100.0160.02017.62
7.0.90.0080.04217.69
7.0.80.0060.04317.66
7.0.70.0080.04317.64
7.0.60.0080.03017.61
7.0.50.0070.04517.81
7.0.40.0070.04616.74
7.0.30.0030.04716.76
7.0.20.0050.04716.73
7.0.10.0080.04816.72
7.0.00.0070.04716.67
5.6.400.0140.00314.38
5.6.390.0000.01614.27
5.6.380.0040.01114.37
5.6.370.0090.00314.44
5.6.360.0090.00314.00
5.6.350.0060.00614.35
5.6.340.0060.00614.27
5.6.330.0060.00714.59
5.6.320.0090.00014.04
5.6.310.0070.00714.47
5.6.300.0000.01414.34
5.6.290.0080.00814.23
5.6.280.0060.03817.67
5.6.270.0060.00614.27
5.6.260.0110.04217.51
5.6.250.0070.04317.49
5.6.240.0020.02817.36
5.6.230.0070.03117.43
5.6.220.0080.04117.52
5.6.210.0120.03317.47
5.6.200.0030.04917.73
5.6.190.0080.04417.55
5.6.180.0130.03817.57
5.6.170.0030.04417.59
5.6.160.0060.04817.62
5.6.150.0080.04517.74
5.6.140.0050.03417.79
5.6.130.0070.03717.71
5.6.120.0060.04517.64
5.6.110.0070.04717.53
5.6.100.0130.03817.59
5.6.90.0050.04717.57
5.6.80.0050.04817.20
5.6.70.0070.04317.36
5.6.60.0090.04117.16
5.6.50.0070.03317.28
5.6.40.0060.03117.42
5.6.30.0080.04017.32
5.6.20.0110.03817.27
5.6.10.0070.04417.37
5.6.00.0070.03617.15
5.5.380.0120.04017.34
5.5.370.0050.04217.51
5.5.360.0090.04217.27
5.5.350.0050.04417.29
5.5.340.0050.04317.41
5.5.330.0070.04717.61
5.5.320.0070.04017.47
5.5.310.0030.04817.53
5.5.300.0050.04517.59
5.5.290.0080.04117.41
5.5.280.0110.04217.62
5.5.270.0090.04417.53
5.5.260.0110.04317.51
5.5.250.0030.03717.27
5.5.240.0050.04717.15
5.5.230.0080.02517.27
5.5.220.0060.04116.98
5.5.210.0020.03516.97
5.5.200.0060.04117.08
5.5.190.0050.02217.24
5.5.180.0090.04417.28
5.5.170.0070.00314.19
5.5.160.0100.03716.99
5.5.150.0050.04217.26
5.5.140.0080.04317.20
5.5.130.0080.04017.12
5.5.120.0050.04317.19
5.5.110.0100.04117.28
5.5.100.0090.04217.05
5.5.90.0080.04016.93
5.5.80.0110.03617.19
5.5.70.0030.04217.01
5.5.60.0050.04517.14
5.5.50.0050.04616.98
5.5.40.0100.03816.95
5.5.30.0060.04017.13
5.5.20.0070.04217.19
5.5.10.0130.02816.98
5.5.00.0070.02317.13
5.4.450.0050.04415.84
5.4.440.0120.03415.77
5.4.430.0040.04515.76
5.4.420.0050.03215.73
5.4.410.0070.04515.73
5.4.400.0030.03515.69
5.4.390.0040.04415.60
5.4.380.0070.04215.65
5.4.370.0070.04015.68
5.4.360.0080.03515.57
5.4.350.0120.03515.66
5.4.340.0050.04215.61
5.4.330.0040.00412.19
5.4.320.0050.04315.68
5.4.310.0050.03515.57
5.4.300.0110.03615.61
5.4.290.0110.03415.65
5.4.280.0020.04515.65
5.4.270.0030.04015.65
5.4.260.0080.03915.60
5.4.250.0050.02415.68
5.4.240.0070.04215.57
5.4.230.0030.04115.59
5.4.220.0080.04115.61
5.4.210.0050.04415.67
5.4.200.0050.04015.60
5.4.190.0070.03015.56
5.4.180.0090.03715.58
5.4.170.0070.02215.56
5.4.160.0040.02315.56
5.4.150.0080.02015.67
5.4.140.0020.02514.33
5.4.130.0020.02314.21
5.4.120.0100.01314.34
5.4.110.0030.02214.38
5.4.100.0030.02214.37
5.4.90.0070.02214.39
5.4.80.0020.02414.26
5.4.70.0030.02014.38
5.4.60.0000.03214.35
5.4.50.0060.02814.25
5.4.40.0070.02814.37
5.4.30.0020.02414.24
5.4.20.0020.02814.21
5.4.10.0040.02014.25
5.4.00.0020.02114.05
5.3.290.0100.03713.39
5.3.280.0080.04213.36
5.3.270.0050.02213.34
5.3.260.0030.03013.35
5.3.250.0090.02213.37
5.3.240.0000.02413.35
5.3.230.0000.02313.33
5.3.220.0030.03013.27
5.3.210.0030.02413.32
5.3.200.0050.02313.41
5.3.190.0030.02313.30
5.3.180.0000.02413.27
5.3.170.0040.02113.38
5.3.160.0010.02113.42
5.3.150.0050.02113.29
5.3.140.0050.02013.32
5.3.130.0020.02013.37
5.3.120.0070.02013.29
5.3.110.0050.02013.42
5.3.100.0030.02113.16
5.3.90.0060.03413.16
5.3.80.0050.01813.04
5.3.70.0050.02113.07
5.3.60.0090.01813.05
5.3.50.0060.02013.03
5.3.40.0010.02313.04
5.3.30.0050.01812.99
5.3.20.0040.02012.94
5.3.10.0050.02812.92
5.3.00.0020.02212.92
5.2.170.0030.03012.18
5.2.160.0100.02312.18
5.2.150.0030.03012.18
5.2.140.0030.06312.18
5.2.130.0070.02312.18
5.2.120.0000.03012.18
5.2.110.0030.03312.18
5.2.100.0070.05312.18
5.2.90.0030.02712.18
5.2.80.0030.04712.18
5.2.70.0000.03312.18
5.2.60.0000.03012.18
5.2.50.0000.03012.18
5.2.40.0070.03012.18
5.2.30.0000.03012.18
5.2.20.0030.02712.18
5.2.10.0000.03012.18
5.2.00.0000.04012.18
5.1.60.0000.02312.18
5.1.50.0000.02312.18
5.1.40.0000.02712.18
5.1.30.0030.03312.18
5.1.20.0000.02712.18
5.1.10.0030.02012.18
5.1.00.0000.02712.18
5.0.50.0000.02312.18
5.0.40.0000.02012.18
5.0.30.0030.02712.18
5.0.20.0000.03312.18
5.0.10.0000.03012.18
5.0.00.0000.03012.18
4.4.90.0030.01012.18
4.4.80.0030.01012.18
4.4.70.0000.02312.18
4.4.60.0030.01312.18
4.4.50.0000.01712.18
4.4.40.0000.03312.18
4.4.30.0070.01012.18
4.4.20.0000.01312.18
4.4.10.0000.01712.18
4.4.00.0030.02312.18
4.3.110.0030.01312.18
4.3.100.0030.02712.18
4.3.90.0000.02712.18
4.3.80.0070.01712.18
4.3.70.0000.02312.18
4.3.60.0000.03312.18
4.3.50.0070.03012.18
4.3.40.0000.05312.18
4.3.30.0000.03712.18
4.3.20.0000.03012.18
4.3.10.0000.03712.18
4.3.00.0000.03712.18