3v4l.org

run code in 300+ PHP versions simultaneously
<?php mb_internal_encoding('UTF-8'); $content = 'MariƱe'; echo mb_strtoupper($content, "UTF-8"); echo mb_convert_case($content, MB_CASE_UPPER, "UTF-8");

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)
8.3.60.0060.00918.31
8.3.50.0070.01416.50
8.3.40.0110.00418.67
8.3.30.0130.00318.76
8.3.20.0040.00420.34
8.3.10.0050.00321.60
8.3.00.0040.00419.66
8.2.180.0070.00716.50
8.2.170.0070.00722.96
8.2.160.0150.00318.92
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0080.00019.27
8.2.120.0070.00026.35
8.2.110.0000.01222.30
8.2.100.0040.00717.84
8.2.90.0000.00819.09
8.2.80.0040.00417.97
8.2.70.0070.00217.63
8.2.60.0040.00417.68
8.2.50.0000.00818.10
8.2.40.0070.00020.64
8.2.30.0000.00719.16
8.2.20.0040.00417.98
8.2.10.0040.00417.93
8.2.00.0040.00417.90
8.1.280.0070.00725.92
8.1.270.0040.00422.19
8.1.260.0000.00826.35
8.1.250.0050.00228.09
8.1.240.0050.00320.89
8.1.230.0100.00019.08
8.1.220.0060.00317.74
8.1.210.0030.00718.77
8.1.200.0030.00617.23
8.1.190.0080.00017.10
8.1.180.0030.00618.10
8.1.170.0000.00818.53
8.1.160.0000.00719.07
8.1.150.0000.00718.94
8.1.140.0000.00719.52
8.1.130.0030.00318.90
8.1.120.0000.00717.39
8.1.110.0060.00317.39
8.1.100.0040.00417.52
8.1.90.0000.00817.45
8.1.80.0080.00017.41
8.1.70.0040.00417.40
8.1.60.0040.00417.57
8.1.50.0070.00017.54
8.1.40.0100.00017.38
8.1.30.0040.00417.69
8.1.20.0000.00817.69
8.1.10.0040.00417.47
8.1.00.0040.00417.50
8.0.300.0080.00018.77
8.0.290.0020.00516.75
8.0.280.0000.00718.56
8.0.270.0070.00017.28
8.0.260.0040.00416.95
8.0.250.0030.00316.89
8.0.240.0030.00617.01
8.0.230.0030.00316.92
8.0.220.0020.00516.98
8.0.210.0000.00716.93
8.0.200.0000.00816.84
8.0.190.0060.00616.84
8.0.180.0070.00016.79
8.0.170.0000.00716.96
8.0.160.0030.00316.79
8.0.150.0040.00416.74
8.0.140.0000.00816.77
8.0.130.0030.00313.38
8.0.120.0000.00716.78
8.0.110.0000.00716.95
8.0.100.0000.00716.78
8.0.90.0000.00716.89
8.0.80.0000.01516.95
8.0.70.0070.00016.95
8.0.60.0000.00716.90
8.0.50.0000.00716.79
8.0.30.0130.00416.99
8.0.20.0110.01017.40
8.0.10.0070.00016.76
8.0.00.0130.00316.74
7.4.330.0050.00015.55
7.4.320.0030.00316.54
7.4.300.0070.00016.62
7.4.290.0080.00016.58
7.4.280.0020.00516.59
7.4.270.0070.00016.50
7.4.260.0100.00016.48
7.4.250.0000.00716.36
7.4.240.0070.00016.59
7.4.230.0030.00316.30
7.4.220.0060.01216.53
7.4.210.0070.01016.60
7.4.200.0000.00716.41
7.4.160.0060.00916.57
7.4.150.0110.00817.40
7.4.140.0130.00817.86
7.4.130.0060.01216.44
7.4.120.0130.00616.49
7.4.110.0030.01416.52
7.4.100.0100.00716.57
7.4.90.0100.00716.49
7.4.80.0070.01419.39
7.4.70.0060.01116.48
7.4.60.0070.01016.52
7.4.50.0060.00616.66
7.4.40.0110.01116.33
7.4.30.0130.00316.44
7.4.00.0070.01014.98
7.3.330.0000.00613.15
7.3.320.0030.00313.20
7.3.310.0000.00716.21
7.3.300.0030.00316.27
7.3.290.0000.00716.30
7.3.280.0080.00816.26
7.3.270.0200.00317.40
7.3.260.0090.01016.33
7.3.250.0110.00816.39
7.3.240.0100.00716.33
7.3.230.0110.00616.14
7.3.210.0080.01116.43
7.3.200.0120.00916.21
7.3.190.0080.00816.48
7.3.180.0130.01016.37
7.3.170.0030.01416.56
7.3.160.0080.00816.42
7.3.120.0070.01014.54
7.3.110.0060.00614.89
7.3.100.0080.00414.66
7.3.90.0030.01214.71
7.3.80.0070.00714.63
7.3.70.0030.00914.81
7.3.60.0060.00314.67
7.3.50.0060.00914.68
7.3.40.0000.00814.56
7.3.30.0060.00614.91
7.3.20.0090.00916.38
7.3.10.0060.00816.60
7.3.00.0060.00816.52
7.2.330.0080.00816.52
7.2.320.0060.01216.65
7.2.310.0000.01616.47
7.2.300.0060.01116.59
7.2.290.0040.01316.60
7.2.250.0060.01615.10
7.2.240.0100.01015.06
7.2.230.0140.00414.86
7.2.220.0030.00914.69
7.2.210.0070.00414.79
7.2.200.0060.01014.75
7.2.190.0060.01215.14
7.2.180.0060.00914.96
7.2.170.0040.00815.03
7.2.130.0110.00317.00
7.2.120.0100.00616.67
7.2.110.0100.00716.69
7.2.100.0090.00316.97
7.2.90.0040.01116.86
7.2.80.0000.01416.82
7.2.70.0140.00016.77
7.2.60.0640.00815.89
7.2.50.0030.00916.88
7.2.40.0090.00316.94
7.2.30.0000.01316.92
7.2.20.0060.00616.86
7.2.10.0060.00916.75
7.2.00.0040.00917.98
7.1.330.0000.01315.88
7.1.320.0000.01015.89
7.1.310.0030.01015.93
7.1.300.0150.00015.53
7.1.290.0000.01315.71
7.1.280.0090.00615.66
7.1.270.0100.00315.83
7.1.260.0070.00715.59
7.1.250.0070.00415.62
7.1.200.0000.01315.73
7.1.100.0030.01318.02
7.1.70.0130.01015.04
7.1.60.0400.01333.32
7.1.50.0450.00732.91
7.1.40.0350.01332.57
7.1.30.0360.00932.62
7.1.20.0330.01232.74
7.1.10.0150.01614.99
7.1.00.0200.00614.75
7.0.200.0150.01214.84
7.0.190.0180.01414.75
7.0.180.0200.00314.41
7.0.170.0130.01414.37
7.0.160.0100.01314.39
7.0.150.0210.01314.24
7.0.140.0220.00914.32
7.0.130.0170.01714.72
7.0.120.0000.01414.53
7.0.110.0480.00914.36
7.0.100.0070.01014.56
7.0.90.0160.01614.32
7.0.80.0300.01114.58
7.0.70.0170.01714.49
7.0.60.0350.00314.37
7.0.50.0200.01314.59
7.0.40.0170.01614.40
7.0.30.0180.01514.61
7.0.20.0200.01714.74
7.0.10.0190.00814.71
7.0.00.0220.00614.57

preferences:
55.01 ms | 401 KiB | 5 Q