3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = ''; foreach(str_split(iconv("UTF-8", "Windows-1252", "my utf8 string áéíóú")) as $n => $c) { if (! is_alnum($c)) { $c = '%'.bin2hex($c); } $string .= $c; } var_dump($string);

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)
8.3.40.0110.00418.51
8.3.30.0040.01118.59
8.3.20.0000.00720.13
8.3.10.0000.00721.76
8.3.00.0050.00319.43
8.2.170.0150.00022.96
8.2.160.0110.00719.46
8.2.150.0050.00324.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0060.00317.63
8.2.110.0000.01020.97
8.2.100.0040.00819.64
8.2.90.0050.00518.28
8.2.80.0000.00817.97
8.2.70.0030.00617.63
8.2.60.0000.00818.04
8.2.50.0000.01118.07
8.2.40.0030.00619.40
8.2.30.0040.00419.85
8.2.20.0000.00817.55
8.2.10.0040.00418.05
8.2.00.0080.00018.10
8.1.270.0080.00020.40
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0070.00423.73
8.1.230.0000.01122.72
8.1.220.0050.00317.77
8.1.210.0080.00018.77
8.1.200.0060.00317.35
8.1.190.0050.00317.36
8.1.180.0040.00418.10
8.1.170.0080.00018.66
8.1.160.0000.00722.10
8.1.150.0040.00418.86
8.1.140.0000.00817.44
8.1.130.0030.00317.63
8.1.120.0050.00217.46
8.1.110.0040.00317.45
8.1.100.0050.00317.41
8.1.90.0040.00417.48
8.1.80.0030.00617.47
8.1.70.0000.00717.29
8.1.60.0020.00517.46
8.1.50.0040.00417.46
8.1.40.0020.00517.51
8.1.30.0000.00817.62
8.1.20.0070.00017.66
8.1.10.0040.00417.50
8.1.00.0070.00017.54
8.0.300.0070.00020.02
8.0.290.0080.00016.75
8.0.280.0040.00418.34
8.0.270.0000.00817.18
8.0.260.0000.00717.29
8.0.250.0000.00716.88
8.0.240.0040.00417.01
8.0.230.0000.00716.87
8.0.220.0040.00416.93
8.0.210.0050.00316.82
8.0.200.0000.00717.01
8.0.190.0040.00417.02
8.0.180.0070.00016.93
8.0.170.0030.00516.95
8.0.160.0000.00716.92
8.0.150.0030.00317.01
8.0.140.0030.00416.84
8.0.130.0030.00313.29
8.0.120.0030.00617.06
8.0.110.0060.00317.15
8.0.100.0000.00916.94
8.0.90.0040.00417.00
8.0.80.0080.00817.07
8.0.70.0030.00617.10
8.0.60.0030.00617.14
8.0.50.0090.00017.05
8.0.30.0120.00517.40
8.0.20.0170.00517.40
8.0.10.0040.00417.06
8.0.00.0110.01016.87
7.4.330.0000.00515.14
7.4.320.0030.00316.63
7.4.300.0000.00616.34
7.4.290.0070.00316.48
7.4.280.0030.00716.59
7.4.270.0070.00016.57
7.4.260.0080.00016.39
7.4.250.0060.00316.62
7.4.240.0030.00616.72
7.4.230.0040.00416.67
7.4.220.0060.01916.70
7.4.210.0100.00716.58
7.4.200.0000.00816.57
7.4.160.0070.01016.66
7.4.150.0140.00617.40
7.4.140.0070.01517.86
7.4.130.0100.01216.77
7.4.120.0110.00816.79
7.4.110.0090.00916.85
7.4.100.0130.01316.89
7.4.90.0100.01016.82
7.4.80.0070.01319.39
7.4.70.0080.01216.77
7.4.60.0110.01216.32
7.4.50.0100.00616.51
7.4.40.0130.00916.44
7.4.30.0130.01016.26
7.4.20.0050.01516.29
7.4.10.0130.01216.43
7.4.00.0090.00915.65
7.3.330.0060.00013.19
7.3.320.0020.00213.02
7.3.310.0030.00616.41
7.3.300.0030.00516.45
7.3.290.0100.00816.41
7.3.280.0090.01316.43
7.3.270.0200.00717.40
7.3.260.0080.01416.46
7.3.250.0120.00716.51
7.3.240.0100.00916.66
7.3.230.0060.01216.42
7.3.210.0070.01716.48
7.3.200.0150.00316.45
7.3.190.0110.00916.29
7.3.180.0040.01516.48
7.3.170.0100.01016.58
7.3.160.0140.00716.29
7.3.150.0050.01516.42
7.3.140.0130.01316.55
7.3.130.0060.01316.36
7.3.120.0150.00515.36
7.3.110.0070.01215.15
7.3.100.0080.01015.23
7.3.90.0030.01615.21
7.3.80.0050.01015.22
7.3.70.0070.00715.30
7.3.60.0090.00915.26
7.3.50.0080.00815.36
7.3.40.0060.00915.30
7.3.30.0080.00815.18
7.3.20.0110.00617.01
7.3.10.0080.01016.99
7.3.00.0050.01117.07
7.2.330.0090.01016.55
7.2.320.0060.01316.81
7.2.310.0110.00916.66
7.2.300.0090.01016.57
7.2.290.0140.00816.64
7.2.280.0150.00616.51
7.2.270.0140.01416.52
7.2.260.0090.01416.50
7.2.250.0090.01015.52
7.2.240.0090.01015.34
7.2.230.0060.01215.56
7.2.220.0040.01315.51
7.2.210.0050.00915.52
7.2.200.0070.00815.49
7.2.190.0050.01115.39
7.2.180.0090.00815.43
7.2.170.0100.00715.55
7.2.160.0100.00815.51
7.2.150.0100.00817.23
7.2.140.0040.01217.36
7.2.130.0110.00617.18
7.2.120.0040.01417.18
7.2.110.0120.00817.24
7.2.100.0050.01217.24
7.2.90.0080.01017.23
7.2.80.0080.00917.18
7.2.70.0070.01017.27
7.2.60.0060.01117.15
7.2.50.0080.01017.28
7.2.40.0070.01017.25
7.2.30.0100.01017.21
7.2.20.0070.01017.23
7.2.10.0080.01017.32
7.2.00.0060.01017.59
7.1.330.0130.00716.33
7.1.320.0130.00416.29
7.1.310.0080.01016.19
7.1.300.0110.00816.25
7.1.290.0090.00916.32
7.1.280.0120.00816.34
7.1.270.0090.01216.22
7.1.260.0090.00816.21
7.1.250.0080.00816.17
7.1.240.0130.01016.52
7.1.230.0110.01416.66
7.1.220.0150.01216.60
7.1.210.0150.00716.65
7.1.200.0110.00916.39
7.1.190.0160.00616.66
7.1.180.0110.01316.44
7.1.170.0090.01416.57
7.1.160.0140.00916.59
7.1.150.0160.01116.68
7.1.140.0150.00916.74
7.1.130.0090.01416.55
7.1.120.0140.00816.54
7.1.110.0150.00916.70
7.1.100.0120.00917.08
7.1.90.0120.01116.64
7.1.80.0110.01216.55
7.1.70.0150.00816.69
7.1.60.0140.01017.51
7.1.50.0170.01222.81
7.1.40.0110.01016.66
7.1.30.0150.01016.69
7.1.20.0090.01316.65
7.1.10.0140.00716.68
7.1.00.0350.03518.60
7.0.330.0170.00416.26
7.0.320.0080.01316.14
7.0.310.0120.01016.20
7.0.300.0110.01316.25
7.0.290.0100.00916.38
7.0.280.0130.01216.46
7.0.270.0160.00716.36
7.0.260.0130.00916.56
7.0.250.0140.00916.36
7.0.240.0170.00916.46
7.0.230.0090.01116.44
7.0.220.0080.01516.25
7.0.210.0140.00716.45
7.0.200.0110.00816.42
7.0.190.0090.01116.35
7.0.180.0150.00916.26
7.0.170.0190.00816.44
7.0.160.0100.01116.39
7.0.150.0130.01116.21
7.0.140.0130.00616.19
7.0.130.0110.01116.43
7.0.120.0130.01215.36
7.0.110.0110.01116.30
7.0.100.0160.00615.47
7.0.90.0100.01016.28
7.0.80.0130.00716.27
7.0.70.0100.01116.48
7.0.60.0180.02417.47
7.0.50.0070.02216.74
7.0.40.0140.03417.05
7.0.30.0260.03117.02
7.0.20.0120.02516.92
7.0.10.0110.02916.95
7.0.00.0100.02116.84
5.6.400.0130.01115.27
5.6.390.0140.01015.34
5.6.380.0160.01015.13
5.6.370.0120.00715.12
5.6.360.0120.01415.19
5.6.350.0140.00715.11
5.6.340.0130.01215.17
5.6.330.0160.00515.13
5.6.320.0130.01015.24
5.6.310.0150.00915.18
5.6.300.0150.01015.24
5.6.290.0090.01015.32
5.6.280.0060.01917.12
5.6.270.0070.01715.20
5.6.260.0100.01215.14
5.6.250.0120.01115.17
5.6.240.0120.01215.23
5.6.230.0100.01015.37
5.6.220.0110.01215.04
5.6.210.0090.02416.98
5.6.200.0080.02316.14
5.6.190.0080.04016.99
5.6.180.0200.02617.11
5.6.170.0160.02116.97
5.6.160.0140.03216.89
5.6.150.0120.03316.19
5.6.140.0080.03216.25
5.6.130.0090.02316.22
5.6.120.0070.02217.22
5.6.110.0180.03017.16
5.6.100.0090.03217.09
5.6.90.0130.03417.22
5.6.80.0100.02516.82
5.6.70.0140.02916.93
5.6.60.0140.01015.10
5.6.50.0120.01215.04
5.6.40.0190.00915.03
5.6.30.0110.01115.04
5.6.20.0120.01214.97
5.6.10.0140.00715.03
5.6.00.0100.01115.12
5.5.380.0110.01215.28
5.5.370.0130.00915.13
5.5.360.0130.00914.89
5.5.350.0160.03516.97
5.5.340.0090.03516.11
5.5.330.0070.02316.90
5.5.320.0100.03516.91
5.5.310.0180.03216.85
5.5.300.0100.02816.16
5.5.290.0120.03216.16
5.5.280.0100.03417.02
5.5.270.0100.02716.99
5.5.260.0140.03217.07
5.5.250.0090.03617.10
5.5.240.0160.02816.65
5.5.230.0130.01214.91
5.5.220.0100.01214.88
5.5.210.0090.01715.16
5.5.200.0140.01015.06
5.5.190.0120.01615.04
5.5.180.0150.01014.98
5.5.170.0080.01514.92
5.5.160.0140.00715.21
5.5.150.0130.01015.08
5.5.140.0100.01215.17
5.5.130.0100.01215.05
5.5.120.0120.01215.04
5.5.110.0130.01115.21
5.5.100.0130.01014.99
5.5.90.0130.01015.00
5.5.80.0200.00515.01
5.5.70.0140.00915.07
5.5.60.0070.01215.13
5.5.50.0090.01215.15
5.5.40.0120.00915.18
5.5.30.0140.01114.81
5.5.20.0100.01514.99
5.5.10.0170.00715.21
5.5.00.0140.00915.12
5.4.450.0310.02414.37
5.4.440.0320.02314.40
5.4.430.0320.02014.30
5.4.420.0300.02314.22
5.4.410.0290.02814.34
5.4.400.0310.02214.00
5.4.390.0310.02214.12
5.4.380.0380.02114.24
5.4.370.0370.02314.11
5.4.360.0380.02314.07
5.4.350.0360.02414.10
5.4.340.0360.02314.19
5.4.330.0110.00511.66
5.4.320.0290.02514.23
5.4.310.0310.02114.15
5.4.300.0350.02014.05
5.4.290.0270.02414.14
5.4.280.0350.01714.21
5.4.270.0290.02214.18
5.4.260.0240.02514.21
5.4.250.0290.02314.10
5.4.240.0350.01814.17
5.4.230.0280.02414.24
5.4.220.0350.02414.10
5.4.210.0390.01914.09
5.4.200.0410.01914.10
5.4.190.0340.02314.05
5.4.180.0350.02414.14
5.4.170.0340.02214.12
5.4.160.0310.02014.18
5.4.150.0300.02914.02
5.4.140.0370.02013.33
5.4.130.0350.02113.27
5.4.120.0370.02113.22
5.4.110.0380.02113.18
5.4.100.0380.02513.26
5.4.90.0380.02213.26
5.4.80.0390.02113.28
5.4.70.0150.02913.33
5.4.60.0270.02613.27
5.4.50.0090.01713.31
5.4.40.0090.03413.23
5.4.30.0100.02113.30
5.4.20.0060.03113.27
5.4.10.0120.00511.63
5.4.00.0110.00811.64

preferences:
57.92 ms | 400 KiB | 5 Q