3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo mb_convert_encoding ( 'äìè', 'ISO-8859-1', 'windows-1251' );

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)
8.3.60.0040.01118.18
8.3.50.0070.00716.02
8.3.40.0100.00318.77
8.3.30.0110.00418.32
8.3.20.0000.00720.21
8.3.10.0060.00323.66
8.3.00.0060.00317.53
8.2.180.0070.01018.68
8.2.170.0110.00422.96
8.2.160.0130.00020.56
8.2.150.0060.00324.18
8.2.140.0070.00024.66
8.2.130.0100.00321.30
8.2.120.0060.00326.35
8.2.110.0090.00019.64
8.2.100.0120.00018.22
8.2.90.0000.00819.30
8.2.80.0040.00418.05
8.2.70.0050.00317.50
8.2.60.0070.00018.16
8.2.50.0040.00418.18
8.2.40.0000.00820.59
8.2.30.0040.00419.26
8.2.20.0040.00418.28
8.2.10.0070.00018.00
8.2.00.0040.00418.16
8.1.280.0070.01125.92
8.1.270.0070.00023.76
8.1.260.0080.00026.35
8.1.250.0060.00328.09
8.1.240.0050.00522.23
8.1.230.0060.00617.42
8.1.220.0000.00817.77
8.1.210.0000.00818.77
8.1.200.0030.00617.48
8.1.190.0040.00417.35
8.1.180.0000.00818.10
8.1.170.0040.00418.84
8.1.160.0000.00719.09
8.1.150.0040.00420.70
8.1.140.0000.00719.54
8.1.130.0000.00718.94
8.1.120.0070.00017.44
8.1.110.0060.00317.42
8.1.100.0070.00017.59
8.1.90.0030.00717.52
8.1.80.0040.00417.50
8.1.70.0030.00317.41
8.1.60.0080.00017.66
8.1.50.0050.00217.45
8.1.40.0040.00417.56
8.1.30.0040.00417.68
8.1.20.0030.00617.66
8.1.10.0000.00717.54
8.1.00.0000.00817.59
8.0.300.0070.00018.77
8.0.290.0000.00716.88
8.0.280.0030.00318.50
8.0.270.0030.00317.21
8.0.260.0030.00316.87
8.0.250.0040.00416.98
8.0.240.0040.00416.96
8.0.230.0000.00816.84
8.0.220.0000.00716.77
8.0.210.0000.00716.88
8.0.200.0000.00616.91
8.0.190.0030.00616.95
8.0.180.0090.00316.98
8.0.170.0030.00316.93
8.0.160.0070.00016.91
8.0.150.0000.00716.77
8.0.140.0000.00716.72
8.0.130.0060.00013.29
8.0.120.0000.00816.75
8.0.110.0050.00316.93
8.0.100.0040.00416.88
8.0.90.0030.00516.74
8.0.80.0110.01116.86
8.0.70.0000.00716.66
8.0.60.0070.00016.84
8.0.50.0040.00416.72
8.0.30.0100.00717.02
8.0.20.0110.00917.40
8.0.10.0040.00416.97
8.0.00.0070.01016.61
7.4.330.0050.00015.55
7.4.320.0030.00316.35
7.4.300.0070.00016.52
7.4.290.0100.00016.46
7.4.280.0030.00516.46
7.4.270.0000.00716.55
7.4.260.0050.00013.25
7.4.250.0030.00316.38
7.4.240.0000.00716.53
7.4.230.0000.00716.53
7.4.220.0140.00516.45
7.4.210.0070.01016.55
7.4.200.0000.00716.32
7.4.160.0130.00616.55
7.4.150.0090.00917.40
7.4.140.0080.01117.86
7.4.130.0100.01316.56
7.4.120.0070.01316.55
7.4.110.0070.01016.44
7.4.100.0030.01416.56
7.4.90.0030.01316.57
7.4.80.0090.00919.39
7.4.70.0100.00616.63
7.4.60.0100.00716.41
7.4.50.0030.01416.39
7.4.40.0060.01116.46
7.4.30.0110.00716.49
7.4.00.0070.01015.23
7.3.330.0030.00213.09
7.3.320.0020.00213.11
7.3.310.0030.00316.08
7.3.300.0030.00316.27
7.3.290.0000.00716.26
7.3.280.0080.00916.24
7.3.270.0170.00017.40
7.3.260.0110.00616.30
7.3.250.0140.00516.52
7.3.240.0080.01016.30
7.3.230.0200.03316.50
7.3.210.0110.00416.44
7.3.200.0060.01116.21
7.3.190.0090.00616.31
7.3.180.0130.00616.41
7.3.170.0080.01316.27
7.3.160.0120.00316.64
7.3.10.0100.01016.71
7.3.00.0140.00716.42
7.2.330.0100.00716.64
7.2.320.0120.00916.42
7.2.310.0060.00916.35
7.2.300.0090.00916.75
7.2.290.0160.00016.50
7.2.130.0030.01116.80
7.2.120.0060.01116.99
7.2.110.0150.00516.90
7.2.100.0070.00716.81
7.2.90.0100.00816.93
7.2.80.0200.00816.68
7.2.70.0200.01016.40
7.2.60.0090.00916.79
7.2.50.0110.00716.84
7.2.40.0120.00916.90
7.2.30.0130.00716.76
7.2.20.0210.00716.63
7.2.10.0250.00416.79
7.2.00.0080.00818.11
7.1.250.0100.00615.77
7.1.200.0030.00915.63
7.1.100.0040.00817.94
7.1.70.0000.01117.25
7.1.60.0090.01635.18
7.1.50.0150.00934.55
7.1.40.0130.01334.38
7.1.30.0210.00634.30
7.1.20.0200.00834.57
7.1.10.0030.00916.56
7.1.00.0060.00616.39
7.0.200.0060.00616.60
7.0.190.0000.01116.89
7.0.180.0080.00416.17
7.0.170.0000.01215.98
7.0.160.0040.00916.14
7.0.150.0030.00916.26
7.0.140.0040.00816.34
7.0.130.0090.00316.23
7.0.120.0060.00616.46
7.0.110.0060.00616.36
7.0.100.0030.00716.34
7.0.90.0060.00616.31
7.0.80.0030.01016.38
7.0.70.0080.00816.31
7.0.60.0060.00616.29
7.0.50.0080.00816.70
7.0.40.0000.01716.67
7.0.30.0100.00716.48
7.0.20.0030.00916.18
7.0.10.0000.01216.57
7.0.00.0000.01216.37

preferences:
44.14 ms | 401 KiB | 5 Q