3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo strtolower('İstanbul');

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)
8.3.40.0100.00718.71
8.3.30.0000.01420.04
8.3.20.0080.00020.04
8.3.10.0040.00420.92
8.3.00.0080.00022.34
8.2.170.0140.00722.96
8.2.160.0070.01022.26
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0040.00420.75
8.2.110.0000.00819.45
8.2.100.0110.00017.41
8.2.90.0050.00319.22
8.2.80.0050.00317.97
8.2.70.0040.00417.50
8.2.60.0040.00417.80
8.2.50.0080.00018.07
8.2.40.0040.00418.09
8.2.30.0070.00019.30
8.2.20.0080.00017.52
8.2.10.0040.00417.47
8.2.00.0070.00017.64
8.1.270.0060.00323.99
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0060.00322.50
8.1.230.0070.00420.84
8.1.220.0020.00518.77
8.1.210.0000.00719.04
8.1.200.0060.00317.13
8.1.190.0000.00817.18
8.1.180.0040.00418.10
8.1.170.0080.00018.59
8.1.160.0000.00718.80
8.1.150.0030.00518.41
8.1.140.0000.00817.30
8.1.130.0000.00817.75
8.1.120.0040.00417.31
8.1.110.0000.00717.20
8.1.100.0050.00217.35
8.1.90.0070.00017.21
8.1.80.0000.00717.30
8.1.70.0000.00717.29
8.1.60.0000.00817.39
8.1.50.0040.00417.21
8.1.40.0000.00817.39
8.1.30.0090.00017.52
8.1.20.0060.00317.54
8.1.10.0000.00717.46
8.1.00.0000.00817.25
8.0.300.0030.00519.90
8.0.290.0000.00717.18
8.0.280.0000.00718.36
8.0.270.0030.00317.16
8.0.260.0030.00316.75
8.0.250.0050.00316.82
8.0.240.0080.00016.79
8.0.230.0000.00816.80
8.0.220.0040.00416.64
8.0.210.0000.00816.63
8.0.200.0000.00716.79
8.0.190.0020.00516.82
8.0.180.0040.00416.70
8.0.170.0000.00716.68
8.0.160.0000.00716.82
8.0.150.0070.00016.76
8.0.140.0000.00816.68
8.0.130.0060.00013.14
8.0.120.0000.00716.61
8.0.110.0000.00816.78
8.0.100.0080.00016.69
8.0.90.0000.00816.63
8.0.80.0060.00816.73
8.0.70.0040.00416.63
8.0.60.0040.00416.54
8.0.50.0040.00416.71
8.0.30.0120.00716.91
8.0.20.0110.00917.40
8.0.10.0000.00816.92
8.0.00.0130.00516.61
7.4.330.0000.00516.77
7.4.320.0030.00316.46
7.4.300.0000.00616.35
7.4.290.0000.00716.25
7.4.280.0040.00416.30
7.4.270.0030.00316.32
7.4.260.0050.00013.18
7.4.250.0040.00416.32
7.4.240.0000.00716.35
7.4.230.0040.00416.20
7.4.220.0060.01216.56
7.4.210.0060.01016.37
7.4.200.0000.00716.55
7.4.190.0000.00716.55
7.4.160.0140.00316.40
7.4.150.0130.00317.40
7.4.140.0110.00817.86
7.4.130.0120.00616.36
7.4.120.0120.00516.41
7.4.110.0070.01016.30
7.4.100.0150.00616.50
7.4.90.0000.01716.19
7.4.80.0150.00619.39
7.4.70.0030.01316.46
7.4.60.0090.00616.28
7.4.50.0030.00616.22
7.4.40.0060.00622.77
7.4.30.0110.01016.35
7.4.00.0060.00914.71
7.3.330.0030.00312.86
7.3.320.0060.00012.97
7.3.310.0070.00016.21
7.3.300.0030.00316.10
7.3.290.0070.01016.09
7.3.280.0100.00616.11
7.3.270.0070.01717.40
7.3.260.0070.01018.24
7.3.250.0110.00716.16
7.3.240.0070.01016.20
7.3.230.0060.01016.43
7.3.210.0140.00316.20
7.3.200.0100.00719.39
7.3.190.0100.00616.22
7.3.180.0130.00316.42
7.3.170.0090.00616.27
7.3.160.0080.00816.09
7.3.120.0070.01014.99
7.3.10.0080.00816.64
7.3.00.0100.00716.47
7.2.330.0040.01516.52
7.2.320.0140.00316.17
7.2.310.0080.01616.49
7.2.300.0030.01516.60
7.2.290.0140.00416.21
7.2.130.0070.00716.48
7.2.120.0070.00716.79
7.2.110.0060.01016.44
7.2.100.0040.00816.65
7.2.90.0030.01016.53
7.2.80.0080.00016.74
7.2.70.0140.00016.56
7.2.60.0060.01016.74
7.2.50.0030.01016.81
7.2.40.0060.00916.58
7.2.30.0060.01016.45
7.2.20.0080.00816.39
7.2.10.0030.01016.82
7.2.00.0070.00716.53
7.1.250.0100.00715.57
7.1.240.0150.00015.34
7.1.230.0110.00715.29
7.1.220.0030.01015.55
7.1.210.0080.00615.23
7.1.200.0070.01115.44
7.1.190.0080.00815.40
7.1.180.0030.00915.36
7.1.170.0150.00315.68
7.1.160.0090.00315.71
7.1.150.0030.00915.76
7.1.140.0070.00715.54
7.1.130.0100.00315.65
7.1.120.0070.01115.39
7.1.110.0090.00615.34
7.1.100.0060.01316.74
7.1.90.0100.00715.82
7.1.80.0110.00715.41
7.1.70.0080.00616.31
7.1.60.0040.01517.35
7.1.50.0080.00916.20
7.1.40.0030.01115.60
7.1.30.0110.00715.73
7.1.20.0100.00315.23
7.1.10.0110.00315.49
7.1.00.0080.03818.85
7.0.330.0090.00615.18
7.0.320.0060.00915.18
7.0.310.0070.00415.23
7.0.300.0080.00815.11
7.0.290.0070.00714.79
7.0.280.0080.00815.13
7.0.270.0110.00715.02
7.0.260.0100.00315.13
7.0.250.0120.00815.08
7.0.240.0120.00315.22
7.0.230.0090.00315.28
7.0.220.0100.00715.30
7.0.210.0150.00015.13
7.0.200.0200.00314.90
7.0.190.0140.00615.21
7.0.180.0110.00415.25
7.0.170.0090.00315.28
7.0.160.0100.00715.34
7.0.150.0030.01414.88
7.0.140.0040.04018.66
7.0.130.0060.00615.01
7.0.120.0100.00715.22
7.0.110.0070.01115.20
7.0.100.0040.00814.97
7.0.90.0100.00715.32
7.0.80.0120.00315.20
7.0.70.0070.03918.28
7.0.60.0060.04318.52
7.0.50.0070.04418.51
7.0.40.0050.04516.42
7.0.30.0060.04016.56
7.0.20.0080.04016.67
7.0.10.0060.03916.63
7.0.00.0060.03216.77
5.6.380.0030.00713.97
5.6.370.0060.00614.21
5.6.360.0070.00314.14
5.6.350.0070.00714.27
5.6.340.0090.00314.24
5.6.330.0060.00314.15
5.6.320.0030.00714.34
5.6.310.0030.00914.30
5.6.300.0030.01014.23
5.6.290.0060.00613.77
5.6.280.0000.04317.59
5.6.270.0060.00314.26
5.6.260.0060.00914.07
5.6.250.0070.00714.15
5.6.240.0030.00614.12
5.6.230.0000.01113.88
5.6.220.0040.03617.49
5.6.210.0050.03417.29
5.6.200.0090.04517.62
5.6.190.0030.04317.61
5.6.180.0080.03817.64
5.6.170.0030.04317.38
5.6.160.0040.04517.46
5.6.150.0030.04817.46
5.6.140.0010.04417.52
5.6.130.0080.04217.58
5.6.120.0090.02517.51
5.6.110.0080.04617.59
5.6.100.0030.04817.51
5.6.90.0050.04017.47
5.6.80.0020.04517.29
5.6.70.0040.04417.19
5.6.60.0070.03717.34
5.6.50.0020.03517.32
5.6.40.0020.04517.30
5.6.30.0050.03617.36
5.6.20.0050.04117.07
5.6.10.0020.03917.18
5.6.00.0090.04217.14
5.5.380.0110.00010.93
5.5.370.0100.00010.94
5.5.360.0080.03315.58
5.5.350.0020.03015.60
5.5.340.0050.04015.92
5.5.330.0070.03815.79
5.5.320.0020.04415.75
5.5.310.0030.04315.98
5.5.300.0050.04315.97
5.5.290.0030.02615.77
5.5.280.0050.03315.80
5.5.270.0030.04515.65
5.5.260.0030.04115.85
5.5.250.0020.03615.71
5.5.240.0030.03715.34
5.5.230.0030.04415.56
5.5.220.0050.03015.52
5.5.210.0050.03815.40
5.5.200.0030.04115.35
5.5.190.0030.04415.39
5.5.180.0020.03515.49
5.5.170.0030.00610.84
5.5.160.0040.04015.49
5.5.150.0000.04515.48
5.5.140.0030.03815.43
5.5.130.0030.04215.41
5.5.120.0090.04215.42
5.5.110.0070.03715.53
5.5.100.0040.03215.41
5.5.90.0050.03915.45
5.5.80.0040.02615.38
5.5.70.0030.02215.27
5.5.60.0040.01815.36
5.5.50.0040.03015.39
5.5.40.0050.04015.35
5.5.30.0000.04115.53
5.5.20.0060.04315.54
5.5.10.0030.02515.14
5.5.00.0030.04215.19
5.4.450.0000.03115.16
5.4.440.0070.04215.04
5.4.430.0020.04014.82
5.4.420.0030.03715.11
5.4.410.0020.04115.00
5.4.400.0030.03714.92
5.4.390.0030.03814.71
5.4.380.0050.03814.86
5.4.370.0050.03214.88
5.4.360.0070.04014.87
5.4.350.0030.04314.86
5.4.340.0030.04014.92
5.4.330.0050.00310.75
5.4.320.0000.03914.98
5.4.310.0050.03714.86
5.4.300.0020.02514.70
5.4.290.0020.04014.81
5.4.280.0070.02314.89
5.4.270.0030.02014.88
5.4.260.0050.01814.94
5.4.250.0040.03514.81
5.4.240.0040.02014.62
5.4.230.0070.03414.90
5.4.220.0050.02814.97
5.4.210.0020.02014.78
5.4.200.0050.01714.87
5.4.190.0030.02714.93
5.4.180.0070.03714.77
5.4.170.0020.04014.76
5.4.160.0120.03214.83
5.4.150.0080.03814.73
5.4.140.0050.03813.61
5.4.130.0030.04213.53
5.4.120.0020.02213.47
5.4.110.0000.02813.64
5.4.100.0030.02113.46
5.4.90.0000.02113.54
5.4.80.0030.02413.55
5.4.70.0020.02313.57
5.4.60.0050.03413.51
5.4.50.0030.02513.43
5.4.40.0020.02213.56
5.4.30.0020.02113.52
5.4.20.0030.02313.49
5.4.10.0020.02213.47
5.4.00.0050.01813.09
5.3.290.0090.02612.49
5.3.280.0040.02212.32
5.3.270.0040.04212.40
5.3.260.0000.03912.52
5.3.250.0060.04012.51
5.3.240.0110.01812.38
5.3.230.0050.02712.28
5.3.220.0080.01912.35
5.3.210.0080.02212.28
5.3.200.0090.02212.32
5.3.190.0100.01512.32
5.3.180.0060.02312.45
5.3.170.0040.02412.33
5.3.160.0050.02612.39
5.3.150.0030.03412.46
5.3.140.0080.02412.29
5.3.130.0030.02812.35
5.3.120.0060.02812.48
5.3.110.0060.02212.37
5.3.100.0090.02212.16
5.3.90.0040.02212.09
5.3.80.0080.01712.00
5.3.70.0080.01912.10
5.3.60.0070.02012.09
5.3.50.0060.02911.99
5.3.40.0070.01912.02
5.3.30.0040.02112.09
5.3.20.0080.01811.87
5.3.10.0030.02111.68
5.3.00.0040.01811.83
5.2.170.0040.03010.31
5.2.160.0030.01810.36
5.2.150.0060.01610.36
5.2.140.0000.02110.38
5.2.130.0030.01510.20
5.2.120.0040.01710.35
5.2.110.0030.01510.33
5.2.100.0000.01810.21
5.2.90.0050.01510.34
5.2.80.0000.02110.17
5.2.70.0000.01910.23
5.2.60.0000.02310.22
5.2.50.0060.01310.24
5.2.40.0020.01810.31
5.2.30.0000.02010.14
5.2.20.0020.02210.22
5.2.10.0070.02110.12
5.2.00.0020.03710.16
5.1.60.0030.0289.94
5.1.50.0060.0129.94
5.1.40.0070.0109.94
5.1.30.0040.01310.01
5.1.20.0010.0149.94
5.1.10.0020.0159.94
5.1.00.0060.0129.94
5.0.50.0020.0209.94
5.0.40.0020.0219.94
5.0.30.0010.0289.94
5.0.20.0020.0139.94
5.0.10.0030.0239.94
5.0.00.0030.0329.94
4.4.90.0040.0169.94
4.4.80.0030.0089.94
4.4.70.0030.0189.94
4.4.60.0030.0159.94
4.4.50.0020.0159.94
4.4.40.0000.0229.94
4.4.30.0020.0109.94
4.4.20.0000.0179.94
4.4.10.0000.0199.94
4.4.00.0020.0219.94
4.3.110.0000.0209.94
4.3.100.0030.0189.94
4.3.90.0010.0169.94
4.3.80.0030.0249.94
4.3.70.0000.0159.94
4.3.60.0020.0209.94
4.3.50.0030.0159.94
4.3.40.0000.0299.94
4.3.30.0030.0159.94
4.3.20.0000.0229.94
4.3.10.0030.0179.94
4.3.00.0000.0219.94

preferences:
42.65 ms | 400 KiB | 5 Q