3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo mb_convert_encoding ( 'дмитрий', 'UTF-8', 'ISO-8859-1' );

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)
8.3.60.0080.00818.18
8.3.50.0110.00716.24
8.3.40.0000.01418.54
8.3.30.0100.00618.59
8.3.20.0000.00820.21
8.3.10.0050.00321.83
8.3.00.0060.00317.43
8.2.180.0120.00316.63
8.2.170.0040.01122.96
8.2.160.0100.01020.70
8.2.150.0030.00624.18
8.2.140.0000.00824.66
8.2.130.0030.01221.36
8.2.120.0040.00426.35
8.2.110.0100.00022.33
8.2.100.0070.00418.22
8.2.90.0090.00019.36
8.2.80.0000.00718.05
8.2.70.0000.00817.75
8.2.60.0000.00818.16
8.2.50.0050.00318.10
8.2.40.0040.00422.28
8.2.30.0080.00019.35
8.2.20.0040.00418.21
8.2.10.0050.00217.99
8.2.00.0050.00217.96
8.1.280.0040.01125.92
8.1.270.0080.00023.94
8.1.260.0040.00426.35
8.1.250.0050.00328.09
8.1.240.0040.00719.19
8.1.230.0110.00017.52
8.1.220.0000.00717.76
8.1.210.0040.00418.77
8.1.200.0060.00317.35
8.1.190.0040.00417.35
8.1.180.0040.00418.10
8.1.170.0040.00418.63
8.1.160.0000.00719.16
8.1.150.0000.00720.74
8.1.140.0040.00419.66
8.1.130.0050.00318.95
8.1.120.0000.00717.52
8.1.110.0050.00517.48
8.1.100.0000.00717.52
8.1.90.0100.00017.55
8.1.80.0000.00717.54
8.1.70.0030.00617.36
8.1.60.0000.01017.52
8.1.50.0080.00017.62
8.1.40.0000.00817.54
8.1.30.0040.00417.75
8.1.20.0060.00517.53
8.1.10.0080.00017.54
8.1.00.0040.00417.51
8.0.300.0000.00718.77
8.0.290.0080.00016.75
8.0.280.0040.00418.39
8.0.270.0040.00417.21
8.0.260.0000.00816.74
8.0.250.0000.00816.91
8.0.240.0050.00316.91
8.0.230.0080.00016.92
8.0.220.0000.00716.90
8.0.210.0040.00416.80
8.0.200.0000.00716.80
8.0.190.0030.00516.83
8.0.180.0030.00716.93
8.0.170.0000.00716.89
8.0.160.0030.00516.88
8.0.150.0080.00016.77
8.0.140.0030.00516.72
8.0.130.0000.00713.23
8.0.120.0000.00716.74
8.0.110.0000.00716.98
8.0.100.0000.00816.93
8.0.90.0000.00716.69
8.0.80.0070.01416.93
8.0.70.0040.00416.96
8.0.60.0040.00416.78
8.0.50.0040.00416.72
8.0.30.0070.01017.09
8.0.20.0100.00917.40
8.0.10.0000.00716.96
8.0.00.0130.00316.78
7.4.330.0030.00315.55
7.4.320.0060.00316.50
7.4.300.0030.00316.49
7.4.290.0030.00716.57
7.4.280.0080.00016.63
7.4.270.0070.00016.53
7.4.260.0040.00413.32
7.4.250.0050.00516.44
7.4.240.0000.00716.56
7.4.230.0050.00316.60
7.4.220.0250.00416.62
7.4.210.0070.00816.51
7.4.200.0040.00416.37
7.4.160.0050.01216.51
7.4.150.0070.01217.40
7.4.140.0130.00817.86
7.4.130.0150.00416.55
7.4.120.0110.00916.52
7.4.110.0060.01116.35
7.4.100.0000.01716.48
7.4.90.0100.00716.36
7.4.80.0030.01319.39
7.4.70.0080.00816.53
7.4.60.0130.00316.50
7.4.50.0030.00916.36
7.4.40.0070.01616.55
7.4.30.0030.01516.28
7.4.00.0070.01114.86
7.3.330.0040.00413.07
7.3.320.0030.00313.18
7.3.310.0000.00716.32
7.3.300.0030.00316.17
7.3.290.0070.00016.27
7.3.280.0090.00916.25
7.3.270.0100.00617.40
7.3.260.0090.01216.46
7.3.250.0100.00916.49
7.3.240.0100.00816.40
7.3.230.0100.00716.36
7.3.210.0080.00816.34
7.3.200.0090.00616.38
7.3.190.0080.00816.44
7.3.180.0130.00616.44
7.3.170.0090.00616.25
7.3.160.0060.01016.36
7.3.120.0080.00714.85
7.3.110.0120.00614.88
7.3.100.0050.01014.67
7.3.90.0070.00814.92
7.3.80.0110.00414.97
7.3.70.0100.00314.70
7.3.60.0050.00914.75
7.3.50.0050.00614.89
7.3.40.0010.00914.81
7.3.30.0050.01014.74
7.3.20.0090.00516.69
7.3.10.0090.00716.63
7.3.00.0030.01216.66
7.2.330.0030.01516.49
7.2.320.0100.01416.75
7.2.310.0060.01216.62
7.2.300.0080.01116.47
7.2.290.0030.02016.35
7.2.250.0070.01215.00
7.2.240.0080.01115.02
7.2.230.0070.01014.86
7.2.220.0050.00714.88
7.2.210.0110.00215.20
7.2.200.0050.00814.93
7.2.190.0030.01014.93
7.2.180.0030.00715.06
7.2.170.0090.00615.03
7.2.160.0040.00815.00
7.2.150.0060.00616.82
7.2.140.0060.00617.04
7.2.130.0050.00816.72
7.2.120.0070.00616.74
7.2.110.0070.01016.90
7.2.100.0090.00717.02
7.2.90.0060.00816.85
7.2.80.0040.01116.76
7.2.70.0080.01016.72
7.2.60.0070.01016.85
7.2.50.0090.01316.96
7.2.40.0130.00816.84
7.2.30.0030.01416.76
7.2.20.0130.00316.96
7.2.10.0090.01116.95
7.2.00.0090.00817.83
7.1.330.0030.01215.83
7.1.320.0060.01015.77
7.1.310.0020.01115.85
7.1.300.0060.00615.90
7.1.290.0030.01015.70
7.1.280.0040.01115.51
7.1.270.0050.00815.72
7.1.260.0080.00715.80
7.1.250.0030.00915.74
7.1.240.0000.01315.84
7.1.230.0030.01015.86
7.1.220.0110.00716.03
7.1.210.0030.01515.64
7.1.200.0040.01015.56
7.1.190.0090.00915.53
7.1.180.0040.01115.68
7.1.170.0060.00915.87
7.1.160.0100.00315.41
7.1.150.0060.00615.66
7.1.140.0000.01215.91
7.1.130.0100.00615.62
7.1.120.0040.00415.63
7.1.110.0040.00815.96
7.1.100.0070.00717.04
7.1.90.0100.00315.95
7.1.80.0110.00015.61
7.1.70.0010.01116.25
7.1.60.0080.00825.56
7.1.50.0130.00625.14
7.1.40.0120.01125.11
7.1.30.0090.01025.05
7.1.20.0100.01025.17
7.1.10.0040.00815.99
7.1.00.0080.00616.10
7.0.330.0040.00815.32
7.0.320.0030.01315.43
7.0.310.0040.00415.24
7.0.300.0080.00815.16
7.0.290.0110.00015.37
7.0.280.0000.01315.36
7.0.270.0040.00715.31
7.0.260.0030.00715.52
7.0.250.0040.00715.60
7.0.240.0060.00615.54
7.0.230.0100.00315.51
7.0.220.0000.01315.36
7.0.210.0040.00815.55
7.0.200.0060.00516.13
7.0.190.0070.00716.17
7.0.180.0030.01015.67
7.0.170.0030.00815.84
7.0.160.0020.00815.70
7.0.150.0050.00815.90
7.0.140.0050.00615.88
7.0.130.0020.00915.99
7.0.120.0030.01016.08
7.0.110.0050.00715.85
7.0.100.0060.00515.71
7.0.90.0020.01315.93
7.0.80.0100.00215.90
7.0.70.0040.00815.73
7.0.60.0080.00515.78
7.0.50.0070.00815.95
7.0.40.0060.00614.99
7.0.30.0060.00915.03
7.0.20.0070.00514.94
7.0.10.0040.01014.83
7.0.00.0050.00714.90
5.6.400.0030.01214.33
5.6.390.0000.01114.23
5.6.380.0100.00714.36
5.6.370.0100.00314.27
5.6.360.0000.00814.28
5.6.350.0030.01014.41
5.6.340.0080.00014.39
5.6.330.0060.00614.35
5.6.320.0030.00714.28
5.6.310.0050.00514.48
5.6.300.0070.00714.19
5.6.290.0000.00814.43
5.6.280.0040.00814.43
5.6.270.0060.00314.01
5.6.260.0040.01214.25
5.6.250.0000.01514.46
5.6.240.0030.01014.23
5.6.230.0070.00714.35
5.6.220.0040.00414.64
5.6.210.0030.01314.32
5.6.200.0000.01214.47
5.6.190.0100.00714.00
5.6.180.0060.00914.22
5.6.170.0060.00314.63
5.6.160.0040.01114.39
5.6.150.0090.00614.13
5.6.140.0000.00914.30
5.6.130.0000.01614.36
5.6.120.0000.01014.18
5.6.110.0080.00614.36
5.6.100.0030.00914.02
5.6.90.0000.01314.41
5.6.80.0040.01114.07
5.6.70.0030.00613.95
5.6.60.0030.01014.26
5.6.50.0050.00514.31
5.6.40.0040.00414.32
5.6.30.0030.00714.15
5.6.20.0060.00614.14
5.6.10.0080.00414.20
5.6.00.0000.01014.04

preferences:
32.88 ms | 400 KiB | 5 Q