3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo utf8_encode('CITY');

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)
8.3.60.0170.00316.50
8.3.50.0030.01017.93
8.3.40.0070.00718.75
8.3.30.0080.00818.72
8.3.20.0070.00021.77
8.3.10.0040.00421.80
8.3.00.0030.00519.67
8.2.180.0070.00718.16
8.2.170.0120.00322.96
8.2.160.0110.00419.18
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00420.35
8.2.120.0040.00426.35
8.2.110.0030.00722.26
8.2.100.0120.00017.91
8.2.90.0030.00519.08
8.2.80.0000.00817.97
8.2.70.0000.00817.50
8.2.60.0040.00417.68
8.2.50.0000.00918.10
8.2.40.0040.00420.47
8.2.30.0050.00219.05
8.2.20.0000.00718.04
8.2.10.0040.00417.86
8.2.00.0000.00717.86
8.1.280.0110.00725.92
8.1.270.0030.00618.88
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0000.01022.14
8.1.230.0090.00317.65
8.1.220.0060.00317.74
8.1.210.0000.00918.77
8.1.200.0090.00017.23
8.1.190.0000.00817.10
8.1.180.0000.00818.10
8.1.170.0000.00718.56
8.1.160.0040.00418.71
8.1.150.0000.00718.78
8.1.140.0000.00719.44
8.1.130.0040.00418.86
8.1.120.0030.00417.27
8.1.110.0040.00417.37
8.1.100.0040.00417.36
8.1.90.0000.00717.30
8.1.80.0040.00417.34
8.1.70.0000.00717.26
8.1.60.0070.00017.39
8.1.50.0020.00517.42
8.1.40.0040.00417.29
8.1.30.0070.00017.44
8.1.20.0020.00517.48
8.1.10.0000.00717.45
8.1.00.0040.00417.36
8.0.300.0040.00418.77
8.0.290.0050.00316.58
8.0.280.0030.00318.28
8.0.270.0000.00817.09
8.0.260.0000.00717.24
8.0.250.0030.00316.87
8.0.240.0050.00316.84
8.0.230.0000.00716.76
8.0.220.0050.00216.73
8.0.210.0050.00316.68
8.0.200.0000.01016.83
8.0.190.0000.00816.85
8.0.180.0000.00716.82
8.0.170.0050.00316.79
8.0.160.0040.00416.74
8.0.150.0000.01116.58
8.0.140.0100.00016.74
8.0.130.0030.00313.14
8.0.120.0000.00716.74
8.0.110.0040.00416.73
8.0.100.0000.00716.78
8.0.90.0040.00416.82
8.0.80.0100.00616.75
8.0.70.0000.00716.63
8.0.60.0080.00016.82
8.0.50.0080.00016.66
8.0.30.0080.01116.86
8.0.20.0100.00817.40
8.0.10.0000.00816.70
8.0.00.0100.00716.74
7.4.330.0020.00215.55
7.4.320.0060.00016.37
7.4.300.0060.00316.41
7.4.290.0030.00616.41
7.4.280.0000.00816.48
7.4.270.0040.00416.41
7.4.260.0040.00416.43
7.4.250.0000.00716.40
7.4.240.0030.00516.45
7.4.230.0070.00016.57
7.4.220.0070.01016.36
7.4.210.0070.01116.51
7.4.200.0000.00716.54
7.4.160.0140.00316.36
7.4.150.0060.01017.40
7.4.140.0140.00717.86
7.4.130.0090.01216.36
7.4.120.0100.01016.36
7.4.110.0090.00916.60
7.4.100.0140.00616.42
7.4.90.0060.01216.30
7.4.80.0100.01219.39
7.4.70.0110.00516.51
7.4.60.0060.00916.38
7.4.50.0030.00716.27
7.4.40.0130.01016.49
7.4.30.0110.01116.34
7.4.00.0030.01214.67
7.3.330.0000.00513.05
7.3.320.0000.00513.04
7.3.310.0000.00716.13
7.3.300.0030.00316.14
7.3.290.0110.00516.06
7.3.280.0080.00816.12
7.3.270.0140.00417.40
7.3.260.0080.01116.46
7.3.250.0140.00516.19
7.3.240.0090.01016.36
7.3.230.0140.00316.10
7.3.210.0060.01216.32
7.3.200.0140.00516.26
7.3.190.0120.00316.17
7.3.180.0090.00616.21
7.3.170.0070.01416.32
7.3.160.0100.00716.16
7.2.330.0080.00816.53
7.2.320.0110.00916.42
7.2.310.0120.00916.58
7.2.300.0100.00716.27
7.2.290.0130.00316.48
7.2.80.0030.01316.31
7.2.60.0070.00416.82
7.1.200.0160.00315.58
7.1.70.0000.01017.09
7.1.60.0000.01217.19
7.1.50.0670.01032.63
7.1.40.0600.00732.24
7.1.30.0470.01332.16
7.1.20.0470.02332.68
7.1.10.0570.01014.55
7.1.00.0570.01314.68
7.0.200.0060.00916.83
7.0.190.0300.01314.76
7.0.180.0330.01013.95
7.0.170.0400.01014.06
7.0.160.0630.01014.15
7.0.150.0530.01014.10
7.0.140.0370.01314.25
7.0.130.0570.01314.66
7.0.120.0430.00314.54
7.0.110.0300.01314.30
7.0.100.1370.01014.48
7.0.90.0470.01314.27
7.0.80.0370.00714.31
7.0.70.0330.01314.18
7.0.60.0430.01014.13
7.0.50.0500.01714.37
7.0.40.0530.01714.49
7.0.30.0600.01014.45
7.0.20.0500.01714.54
7.0.10.0430.01014.53
7.0.00.0600.01314.35

preferences:
68.54 ms | 401 KiB | 5 Q