3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo bin2hex("my utf8 string áéíóú"), "\n", bin2hex(iconv("UTF-8", "Windows-1252", "my utf8 string áéíóú")); $string = ''; foreach(str_split(iconv("UTF-8", "Windows-1252", "my utf8 string áéíóú")) as $n => $c) { if (ord($c) > 127) { $c = '%'.bin2hex($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)
8.3.40.0060.00918.78
8.3.30.0110.00718.84
8.3.20.0000.00820.34
8.3.10.0000.00821.80
8.3.00.0050.00319.67
8.2.170.0140.00422.96
8.2.160.0100.01020.57
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0000.00826.16
8.2.120.0060.00317.50
8.2.110.0030.00721.06
8.2.100.0060.00617.78
8.2.90.0050.00319.22
8.2.80.0030.00517.97
8.2.70.0040.00417.63
8.2.60.0000.00818.04
8.2.50.0070.00318.07
8.2.40.0060.00319.31
8.2.30.0000.00819.95
8.2.20.0060.00317.58
8.2.10.0040.00418.01
8.2.00.0040.00418.08
8.1.270.0000.00820.38
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0060.00323.82
8.1.230.0060.00617.89
8.1.220.0000.01017.74
8.1.210.0040.00418.77
8.1.200.0000.00917.35
8.1.190.0060.00317.36
8.1.180.0030.00518.10
8.1.170.0030.00618.63
8.1.160.0000.00822.04
8.1.150.0000.00718.92
8.1.140.0050.00317.45
8.1.130.0070.00017.64
8.1.120.0020.00517.53
8.1.110.0040.00417.46
8.1.100.0040.00417.50
8.1.90.0000.00817.37
8.1.80.0040.00417.42
8.1.70.0050.00217.52
8.1.60.0020.00517.50
8.1.50.0000.00817.45
8.1.40.0040.00417.52
8.1.30.0050.00317.65
8.1.20.0000.00717.69
8.1.10.0030.00617.51
8.1.00.0000.00717.39
8.0.300.0030.00618.77
8.0.290.0030.00516.88
8.0.280.0000.00718.42
8.0.270.0000.00716.92
8.0.260.0000.00818.43
8.0.250.0050.00216.92
8.0.240.0070.00016.91
8.0.230.0030.00317.05
8.0.220.0080.00017.05
8.0.210.0060.00317.03
8.0.200.0000.00716.94
8.0.190.0000.00816.98
8.0.180.0000.00817.03
8.0.170.0000.00716.96
8.0.160.0070.00017.00
8.0.150.0040.00416.82
8.0.140.0070.00016.84
8.0.130.0040.00413.29
8.0.120.0000.00816.97
8.0.110.0030.00516.91
8.0.100.0030.00617.00
8.0.90.0030.00617.16
8.0.80.0030.01617.04
8.0.70.0000.00817.05
8.0.60.0030.00617.13
8.0.50.0030.00616.89
8.0.30.0110.00817.26
8.0.20.0130.00717.40
8.0.10.0040.00417.20
8.0.00.0150.00816.95
7.4.330.0020.00215.08
7.4.320.0030.00516.53
7.4.300.0060.00016.60
7.4.290.0040.00416.48
7.4.280.0090.00016.68
7.4.270.0030.00316.55
7.4.260.0040.00416.51
7.4.250.0040.00416.76
7.4.240.0030.00516.79
7.4.230.0030.00616.59
7.4.220.0150.00616.64
7.4.210.0030.01216.80
7.4.200.0000.00816.58
7.4.160.0130.00616.66
7.4.150.0060.01517.40
7.4.140.0130.00817.86
7.4.130.0080.01116.70
7.4.120.0120.01216.72
7.4.110.0130.00616.64
7.4.100.0130.01016.59
7.4.90.0060.01316.62
7.4.80.0100.01019.39
7.4.70.0130.00616.53
7.4.60.0080.01116.41
7.4.50.0030.01216.48
7.4.40.0130.01016.53
7.4.30.0070.01416.11
7.4.20.0100.01416.25
7.4.10.0000.01916.07
7.4.00.0090.01015.90
7.3.330.0000.00613.03
7.3.320.0050.00013.22
7.3.310.0040.00416.34
7.3.300.0030.00516.46
7.3.290.0080.01216.46
7.3.280.0100.01216.45
7.3.270.0100.01017.40
7.3.260.0120.00816.78
7.3.250.0100.01016.53
7.3.240.0040.01516.57
7.3.230.0120.00816.85
7.3.210.0160.00516.67
7.3.200.0040.01916.54
7.3.190.0070.01316.53
7.3.180.0090.01116.43
7.3.170.0090.01116.48
7.3.160.0170.00316.43
7.3.150.0180.00216.43
7.3.140.0110.00816.44
7.3.130.0060.01416.41
7.3.120.0180.00616.36
7.3.110.0070.01216.15
7.3.100.0040.01616.32
7.3.90.0150.00716.52
7.3.80.0070.01416.39
7.3.70.0170.00316.50
7.3.60.0110.01116.24
7.3.50.0190.01016.42
7.3.40.0120.00916.41
7.3.30.0110.00716.38
7.3.20.0210.01816.38
7.3.10.0210.00916.69
7.3.00.0130.00716.26
7.2.330.0100.01016.89
7.2.320.0060.01416.78
7.2.310.0120.01116.65
7.2.300.0130.00916.58
7.2.290.0150.00816.61
7.2.280.0090.00916.31
7.2.270.0160.00316.46
7.2.260.0090.00916.53
7.2.250.0150.00316.50
7.2.240.0080.01116.59
7.2.230.0110.00916.24
7.2.220.0130.01016.37
7.2.210.0150.00816.41
7.2.200.0120.00816.70
7.2.190.0030.01716.47
7.2.180.0200.00916.29
7.2.170.0070.01016.64
7.2.160.0080.01116.48
7.2.150.0130.00716.74
7.2.140.0110.01116.51
7.2.130.0080.01216.61
7.2.120.0090.01216.54
7.2.110.0140.00716.75
7.2.100.0060.01316.55
7.2.90.0120.00916.51
7.2.80.0120.00916.54
7.2.70.0630.01616.44
7.2.60.0060.01116.77
7.2.50.0030.01616.41
7.2.40.0150.00616.60
7.2.30.0070.01616.45
7.2.20.0120.01216.46
7.2.10.0170.00716.57
7.2.00.0070.01418.16
7.1.330.0600.00915.72
7.1.320.0250.00615.91
7.1.310.0260.00415.80
7.1.300.0250.01215.80
7.1.290.0230.00715.74
7.1.280.0200.00915.86
7.1.270.0140.01415.60
7.1.260.0220.00715.59
7.1.250.0220.01515.58
7.1.240.0200.01015.67
7.1.230.0190.01015.52
7.1.220.0300.00015.71
7.1.210.0240.00915.52
7.1.200.0150.00715.70
7.1.190.0200.01415.68
7.1.180.0170.01415.66
7.1.170.0140.01815.71
7.1.160.0260.00915.68
7.1.150.0230.00615.66
7.1.140.0220.01015.68
7.1.130.0290.01515.57
7.1.120.0250.01515.68
7.1.110.0750.00915.62
7.1.100.0150.01216.95
7.1.90.0250.01315.73
7.1.80.0230.01115.79
7.1.70.0150.01116.54
7.1.60.0180.01417.46
7.1.50.0300.01025.37
7.1.40.0270.01015.81
7.1.30.0210.01215.65
7.1.20.0380.00915.72
7.1.10.0190.01215.77
7.1.00.0130.04719.19
7.0.330.0230.00615.48
7.0.320.0140.01415.39
7.0.310.0160.01315.25
7.0.300.0250.00615.41
7.0.290.0140.01815.46
7.0.280.0200.01015.52
7.0.270.0360.01215.39
7.0.260.0260.01315.29
7.0.250.0170.02215.23
7.0.240.0300.00615.46
7.0.230.0250.01015.46
7.0.220.0150.01615.52
7.0.210.0320.00615.34
7.0.200.0160.00816.28
7.0.190.0180.02215.41
7.0.180.0250.00915.36
7.0.170.0190.01915.46
7.0.160.0210.01615.46
7.0.150.0230.01115.59
7.0.140.0230.01315.40
7.0.130.0280.01015.25
7.0.120.0270.00615.45
7.0.110.0220.01915.33
7.0.100.0220.01115.64
7.0.90.0270.00715.35
7.0.80.0190.01515.45
7.0.70.0180.01815.30
7.0.60.0150.04617.66
7.0.50.0150.03016.62
7.0.40.0160.03417.79
7.0.30.0290.03517.87
7.0.20.0340.04317.89
7.0.10.0160.02417.89
7.0.00.0160.04717.84
5.6.400.0230.00715.87
5.6.390.0190.01116.30
5.6.380.0130.01716.07
5.6.370.0110.01916.04
5.6.360.0140.02116.12
5.6.350.0190.01616.28
5.6.340.0180.01816.39
5.6.330.0220.01516.19
5.6.320.0320.00516.27
5.6.310.0200.02016.31
5.6.300.0180.02015.90
5.6.290.0270.01216.30
5.6.280.0180.03818.74
5.6.270.0220.01916.32
5.6.260.0290.01016.28
5.6.250.0250.01216.12
5.6.240.0170.01416.21
5.6.230.0200.01416.13
5.6.220.0240.01116.21
5.6.210.0110.03118.36
5.6.200.0180.02817.22
5.6.190.0150.02718.35
5.6.180.1640.02918.36
5.6.170.0210.04618.31
5.6.160.0140.03218.37
5.6.150.0170.04317.18
5.6.140.0100.03517.21
5.6.130.0150.04117.18
5.6.120.0080.03318.54
5.6.110.0110.05518.70
5.6.100.0120.05418.60
5.6.90.0140.02718.64
5.6.80.0080.03318.27
5.6.70.0170.04318.23
5.6.60.0280.00416.12
5.6.50.0210.00916.15
5.6.40.0190.01515.81
5.6.30.0160.01315.82
5.6.20.0220.01016.03
5.6.10.0260.01116.10
5.6.00.0230.00616.04
5.5.380.0190.01515.93
5.5.370.0230.01416.10
5.5.360.0270.00816.04
5.5.350.0120.03518.14
5.5.340.0100.03017.04
5.5.330.0140.04918.30
5.5.320.0250.02618.17
5.5.310.0160.03318.23
5.5.300.0200.03717.01
5.5.290.0160.04817.27
5.5.280.0170.05318.55
5.5.270.0210.04518.49
5.5.260.0150.04518.49
5.5.250.0170.04418.40
5.5.240.0260.04218.13
5.5.230.0230.01216.00
5.5.220.0150.01816.01
5.5.210.0140.02116.16
5.5.200.0160.01916.02
5.5.190.0220.01016.00
5.5.180.0120.01716.07
5.5.170.0190.01216.02
5.5.160.0270.01416.12
5.5.150.0190.01615.66
5.5.140.0230.00616.02
5.5.130.0210.01215.66
5.5.120.0190.01316.31
5.5.110.0210.01115.99
5.5.100.0170.01416.20
5.5.90.0150.01516.07
5.5.80.0210.01216.01
5.5.70.0140.02016.10
5.5.60.0190.01016.11
5.5.50.0230.01116.01
5.5.40.0230.01115.96
5.5.30.0170.02016.06
5.5.20.0220.01115.97
5.5.10.0150.01815.80
5.5.00.0200.01115.86
5.4.450.0600.02716.09
5.4.440.0420.03715.97
5.4.430.0420.03416.16
5.4.420.0500.03616.13
5.4.410.0450.03016.03
5.4.400.0530.02915.83
5.4.390.0500.03215.92
5.4.380.0530.02715.89
5.4.370.0530.03015.87
5.4.360.0390.03615.87
5.4.350.0490.03515.90
5.4.340.0500.03415.81
5.4.330.0090.01312.54
5.4.320.0510.03415.81
5.4.310.0500.03215.83
5.4.300.0580.02415.87
5.4.290.0520.03215.81
5.4.280.0520.03015.82
5.4.270.0580.02615.85
5.4.260.0600.02615.82
5.4.250.0570.03315.80
5.4.240.0670.02915.94
5.4.230.0420.03216.00
5.4.220.0440.03216.02
5.4.210.0520.02715.88
5.4.200.0560.03015.96
5.4.190.0540.03315.83
5.4.180.0480.02615.58
5.4.170.0490.03515.68
5.4.160.0520.02915.89
5.4.150.0600.02815.78
5.4.140.0610.02714.67
5.4.130.0620.02714.48
5.4.120.0550.02614.64
5.4.110.0550.03214.59
5.4.100.0500.03014.58
5.4.90.0630.03114.63
5.4.80.0450.03414.41
5.4.70.0140.02214.46
5.4.60.0190.02414.51
5.4.50.0100.02914.55
5.4.40.0080.02814.51
5.4.30.0130.02014.56
5.4.20.0240.03114.47
5.4.10.0160.00912.54
5.4.00.0200.00412.46

preferences:
53.72 ms | 400 KiB | 5 Q