3v4l.org

run code in 300+ PHP versions simultaneously
<?php $m = "ThaĆ­s Amanda de Sousa"; var_dump(utf8_decode($m), utf8_decode(utf8_decode($m)));

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)
8.3.60.0150.00616.63
8.3.50.0120.00618.18
8.3.40.0110.00418.72
8.3.30.0190.00418.39
8.3.20.0040.00419.00
8.3.10.0040.00421.78
8.3.00.0000.00819.67
8.2.180.0140.00316.63
8.2.170.0110.00422.96
8.2.160.0150.00419.05
8.2.150.0050.00224.18
8.2.140.0070.00024.66
8.2.130.0040.00420.47
8.2.120.0040.00426.35
8.2.110.0090.00019.45
8.2.100.0120.00017.84
8.2.90.0080.00017.90
8.2.80.0040.00417.97
8.2.70.0030.00617.63
8.2.60.0080.00018.04
8.2.50.0000.00718.10
8.2.40.0000.00820.39
8.2.30.0000.00719.23
8.2.20.0000.00717.98
8.2.10.0040.00418.00
8.2.00.0000.00817.91
8.1.280.0140.00725.92
8.1.270.0040.00422.19
8.1.260.0040.00428.09
8.1.250.0040.00428.09
8.1.240.0090.00321.84
8.1.230.0080.00320.71
8.1.220.0080.00017.74
8.1.210.0000.00918.83
8.1.200.0040.00417.11
8.1.190.0000.00817.23
8.1.180.0000.00718.10
8.1.170.0080.00018.61
8.1.160.0070.00018.75
8.1.150.0040.00420.04
8.1.140.0000.00719.42
8.1.130.0080.00018.72
8.1.120.0000.00717.39
8.1.110.0000.00817.44
8.1.100.0040.00417.43
8.1.90.0040.00317.29
8.1.80.0030.00317.28
8.1.70.0030.00317.38
8.1.60.0000.00817.47
8.1.50.0030.00517.35
8.1.40.0080.00017.44
8.1.30.0000.00717.50
8.1.20.0000.00717.61
8.1.10.0030.00517.46
8.1.00.0050.00317.38
8.0.300.0070.00020.02
8.0.290.0070.00016.63
8.0.280.0030.00318.34
8.0.270.0030.00317.18
8.0.260.0040.00419.03
8.0.250.0030.00316.87
8.0.240.0000.00716.89
8.0.230.0000.00716.87
8.0.220.0030.00316.80
8.0.210.0040.00416.83
8.0.200.0040.00416.82
8.0.190.0040.00716.90
8.0.180.0030.00316.80
8.0.170.0030.00316.84
8.0.160.0000.00816.71
8.0.150.0070.00016.64
8.0.140.0040.00416.62
8.0.130.0030.00313.29
8.0.120.0040.00416.80
8.0.110.0030.00416.79
8.0.100.0020.00516.88
8.0.90.0040.00416.82
8.0.80.0070.01016.77
8.0.70.0050.00216.74
8.0.60.0040.00416.70
8.0.50.0080.00016.79
8.0.30.0100.00916.99
8.0.20.0090.00917.40
8.0.10.0040.00416.95
8.0.00.0120.00816.62
7.4.330.0000.00515.55
7.4.320.0030.00316.51
7.4.300.0030.00316.57
7.4.290.0100.00016.41
7.4.280.0020.00516.48
7.4.270.0030.00316.37
7.4.260.0040.00416.33
7.4.250.0000.00716.34
7.4.240.0030.00316.45
7.4.230.0030.00316.63
7.4.220.0090.00916.49
7.4.210.0070.00916.59
7.4.200.0040.00416.52
7.4.160.0080.01016.47
7.4.150.0130.00617.40
7.4.140.0090.01317.86
7.4.130.0080.01116.38
7.4.120.0080.01316.50
7.4.110.0190.00316.44
7.4.100.0100.01016.24
7.4.90.0110.00716.24
7.4.80.0090.01219.39
7.4.70.0080.00816.41
7.4.60.0090.00616.45
7.4.50.0050.00516.29
7.4.40.0080.00816.57
7.4.30.0100.01316.51
7.4.00.0090.00615.05
7.3.330.0000.00813.05
7.3.320.0030.00312.93
7.3.310.0000.00716.18
7.3.300.0030.00316.11
7.3.290.0030.00316.15
7.3.280.0060.01116.13
7.3.270.0080.00817.40
7.3.260.0090.00816.35
7.3.250.0120.00716.31
7.3.240.0090.01016.38
7.3.230.0150.00716.25
7.3.210.0120.00616.23
7.3.200.0060.01616.13
7.3.190.0120.00416.07
7.3.180.0090.00916.01
7.3.170.0100.00716.27
7.3.160.0040.01116.13
7.2.330.0100.00616.11
7.2.320.0120.01316.48
7.2.310.0130.00316.46
7.2.300.0100.00716.32
7.2.290.0160.00316.25
7.2.60.0030.01016.75
7.2.00.0030.00619.07
7.1.200.0080.00815.55
7.1.100.0000.01018.18
7.1.70.0000.00717.07
7.1.60.0150.00317.21
7.1.50.0170.01334.32
7.1.40.0300.01034.14
7.1.30.0170.01734.20
7.1.20.0200.01034.42
7.1.10.0000.01316.58
7.1.00.0070.01314.89
7.0.200.0040.01116.66
7.0.190.0000.01316.52
7.0.180.0100.00715.96
7.0.170.0100.00316.00
7.0.160.0100.00316.10
7.0.150.0070.01016.19
7.0.140.0070.01314.25
7.0.130.0130.01314.57
7.0.120.0130.01314.56
7.0.110.0130.00714.29
7.0.100.0030.01016.12
7.0.90.0070.01314.32
7.0.80.0070.00716.11
7.0.70.0100.01016.14
7.0.60.0070.00716.04
7.0.50.0070.00716.25
7.0.40.0100.01316.30
7.0.30.0030.01316.39
7.0.20.0130.00316.07
7.0.10.0070.01016.33
7.0.00.0070.00716.27

preferences:
55.82 ms | 400 KiB | 5 Q