3v4l.org

run code in 300+ PHP versions simultaneously
<?php $latin1 = base64_decode('UXVhbmQgSWxzIEF2YWllbnQgTW9uIMJnZSAtIDQwIEFucyBEZXZhbnQgTGEgVOls6SAoRXQgQXV0b3VyLi4uKQ'); $fp = fopen('php://memory', 'rb+'); fwrite($fp, $latin1); fseek($fp, 0); //$fp = fopen('compress.zlib://effiliation_BOOKS.csv.gz', 'rb'); stream_filter_prepend($fp, 'convert.iconv.ISO-8859-1/UTF-8', STREAM_FILTER_READ); /* while (! feof($fp)) { $line = fgets($fp, 64 * 1024); if (! mb_check_encoding($line, 'UTF-8')) { echo $line; } } */ $utf8 = stream_get_contents($fp); fclose($fp); echo mb_check_encoding($utf8, 'UTF-8');

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)
8.3.60.0180.00416.63
8.3.50.0150.00622.11
8.3.40.0120.00418.64
8.3.30.0040.01118.92
8.3.20.0050.00320.39
8.3.10.0030.00518.56
8.3.00.0040.00419.38
8.2.180.0180.00325.92
8.2.170.0150.00622.96
8.2.160.0060.01120.58
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0050.00319.54
8.2.110.0050.00521.01
8.2.100.0040.00817.63
8.2.90.0070.00019.28
8.2.80.0040.00417.97
8.2.70.0060.00317.50
8.2.60.0050.00317.93
8.2.50.0050.00518.07
8.2.40.0050.00318.18
8.2.30.0080.00018.05
8.2.20.0040.00417.56
8.2.10.0000.00718.00
8.2.00.0030.00617.73
8.1.280.0140.00725.92
8.1.270.0040.00423.99
8.1.260.0000.00726.35
8.1.250.0080.00628.09
8.1.240.0100.00023.91
8.1.230.0080.00319.16
8.1.220.0060.00317.79
8.1.210.0000.00818.77
8.1.200.0120.01216.88
8.1.190.0000.00817.11
8.1.180.0050.00318.10
8.1.170.0050.00320.29
8.1.160.0040.00421.86
8.1.150.0080.00018.96
8.1.140.0080.00017.46
8.1.130.0030.00317.82
8.1.120.0000.00717.43
8.1.110.0000.00717.50
8.1.100.0070.00017.36
8.1.90.0000.00717.39
8.1.80.0000.00717.50
8.1.70.0030.00517.37
8.1.60.0040.00417.54
8.1.50.0040.00417.48
8.1.40.0080.00017.40
8.1.30.0000.00917.70
8.1.20.0000.00817.59
8.1.10.0000.00817.56
8.1.00.0050.00317.48
8.0.300.0040.00418.77
8.0.290.0060.00316.75
8.0.280.0030.00318.49
8.0.270.0050.00217.39
8.0.260.0000.00617.32
8.0.250.0000.00717.16
8.0.240.0050.00516.95
8.0.230.0030.00616.95
8.0.220.0000.00717.07
8.0.210.0000.00716.90
8.0.200.0030.00317.13
8.0.190.0000.00817.02
8.0.180.0040.00417.09
8.0.170.0040.00416.93
8.0.160.0000.00717.06
8.0.150.0040.00417.06
8.0.140.0000.00716.97
8.0.130.0050.00313.54
8.0.120.0050.00516.96
8.0.110.0000.00817.16
8.0.100.0050.00517.07
8.0.90.0000.00817.17
8.0.80.0060.01717.13
8.0.70.0040.00417.02
8.0.60.0000.00917.11
8.0.50.0000.00917.19
8.0.30.0130.00917.30
8.0.20.0080.01317.40
8.0.10.0030.00617.06
8.0.00.0090.01016.79
7.4.330.0030.00315.02
7.4.320.0050.00216.64
7.4.300.0000.00616.64
7.4.290.0030.00316.57
7.4.280.0050.00316.60
7.4.270.0000.00816.62
7.4.260.0060.00016.55
7.4.250.0070.00316.73
7.4.240.0040.00416.76
7.4.230.0050.00316.78
7.4.220.0140.00616.71
7.4.210.0090.00916.80
7.4.200.0040.00416.68
7.4.160.0070.01116.53
7.4.150.0090.01217.40
7.4.140.0110.01417.86
7.4.130.0110.00816.59
7.4.120.0140.00816.83
7.4.110.0090.01616.61
7.4.100.0120.01616.66
7.4.90.0130.01016.79
7.4.80.0070.01419.39
7.4.70.0080.01416.72
7.4.60.0080.01116.64
7.4.50.0000.01016.57
7.4.40.0060.01316.61
7.4.30.0100.01016.61
7.4.00.0160.00315.14
7.3.330.0030.00313.21
7.3.320.0000.00613.23
7.3.310.0080.00016.60
7.3.300.0050.00316.36
7.3.290.0070.01216.45
7.3.280.0080.00916.46
7.3.270.0080.01417.40
7.3.260.0130.00716.56
7.3.250.0120.00816.48
7.3.240.0100.01616.39
7.3.230.0090.01216.66
7.3.210.0140.00516.30
7.3.200.0120.00919.39
7.3.190.0160.00616.26
7.3.180.0040.01516.61
7.3.170.0090.00916.39
7.3.160.0120.00616.39
7.3.120.0070.00816.12
7.3.110.0060.01016.01
7.3.100.0080.01115.93
7.3.90.0060.00916.00
7.3.80.0040.01316.00
7.3.70.0030.01216.15
7.3.60.0090.00816.04
7.3.50.0070.00916.04
7.3.40.0060.00816.04
7.3.30.0050.01215.99
7.3.20.0060.01416.89
7.3.10.0050.01016.94
7.3.00.0050.00817.01
7.2.330.0070.01316.67
7.2.320.0130.01316.77
7.2.310.0140.00616.57
7.2.300.0070.01616.69
7.2.290.0140.01116.63
7.2.250.0150.00614.87
7.2.240.0070.00916.27
7.2.230.0030.01316.12
7.2.220.0030.01316.18
7.2.210.0020.01316.23
7.2.200.0050.01016.06
7.2.190.0060.00916.07
7.2.180.0050.01016.19
7.2.170.0100.00616.23
7.2.160.0050.01016.12
7.2.150.0070.01217.04
7.2.140.0100.00617.01
7.2.130.0020.01517.04
7.2.120.0060.00917.12
7.2.110.0070.00717.14
7.2.100.0050.01116.98
7.2.90.0010.01217.18
7.2.80.0060.01017.21
7.2.70.0070.00917.12
7.2.60.0070.01116.87
7.2.50.0050.01217.16
7.2.40.0070.01217.11
7.2.30.0040.00817.03
7.2.20.0050.01417.16
7.2.10.0060.01217.12
7.2.00.0060.00617.81
7.1.330.0030.00916.60
7.1.320.0070.00616.51
7.1.310.0050.01216.49
7.1.300.0060.00916.56
7.1.290.0060.00916.52
7.1.280.0080.00616.38
7.1.270.0070.00816.48
7.1.260.0040.01216.56
7.1.250.0070.00816.63
7.1.200.0040.01316.02
7.1.100.0040.01118.30
7.1.70.0030.00617.04
7.1.60.0070.02019.32
7.1.50.0110.01517.25
7.1.00.0070.07722.71
7.0.200.0040.01516.62
7.0.140.0070.07322.16
7.0.100.0070.04319.86
7.0.90.0030.08720.00
7.0.80.0100.08319.86
7.0.70.0230.06019.92
7.0.60.0170.06719.85
7.0.50.0100.04020.31
7.0.40.0000.04720.15
7.0.30.0100.03720.26
7.0.20.0070.05020.19
7.0.10.0030.05020.19
7.0.00.0070.04720.29
5.6.280.0100.07021.08
5.6.250.0070.08020.61
5.6.240.0130.08020.74
5.6.230.0130.08020.59
5.6.220.0130.07320.66
5.6.210.0200.07020.65
5.6.200.0130.07721.19
5.6.190.0070.04721.19
5.6.180.0000.04721.28
5.6.170.0000.04721.21
5.6.160.0170.02721.16
5.6.150.0000.04321.20
5.6.140.0030.04021.09
5.6.130.0000.04321.26
5.6.120.0030.04721.22
5.6.110.0070.03721.18
5.6.100.0070.04021.26
5.6.90.0000.05021.15
5.6.80.0100.03320.58
5.6.70.0070.04320.48
5.6.60.0070.04020.63
5.6.50.0030.04020.64
5.6.40.0070.03720.50
5.6.30.0000.04320.55
5.6.20.0030.03720.61
5.6.10.0070.05020.55
5.6.00.0070.04020.51
5.5.380.0030.05320.36
5.5.370.0130.07320.41
5.5.360.0070.08320.45
5.5.350.0030.06020.42
5.5.340.0100.08020.88
5.5.330.0070.04020.88
5.5.320.0030.04321.06
5.5.310.0030.05020.97
5.5.300.0000.06721.02
5.5.290.0070.06320.88
5.5.280.0030.07721.06
5.5.270.0070.05320.88
5.5.260.0030.07321.05
5.5.250.0070.04020.76
5.5.240.0000.04320.25
5.5.230.0030.04320.35
5.5.220.0100.05720.40
5.5.210.0030.05020.43
5.5.200.0070.04020.40
5.5.190.0000.04020.38
5.5.180.0130.03720.36
5.5.160.0030.04020.23
5.5.150.0000.04320.39
5.5.140.0000.05020.26
5.5.130.0000.04720.13
5.5.120.0070.05320.22
5.5.110.0030.03720.41
5.5.100.0130.03320.30
5.5.90.0100.08020.26
5.5.80.0200.06720.30
5.5.70.0030.09320.29
5.5.60.0070.08020.08
5.5.50.0130.07720.23
5.5.40.0100.07320.23
5.5.30.0030.07320.28
5.5.20.0100.08020.20
5.5.10.0100.07020.23
5.5.00.0100.08020.18
5.4.450.0070.03719.57
5.4.440.0070.08019.55
5.4.430.0000.04719.52
5.4.420.0100.03319.62
5.4.410.0100.03019.29
5.4.400.0100.03719.21
5.4.390.0000.04319.31
5.4.380.0000.05019.14
5.4.370.0070.03718.98
5.4.360.0070.03719.27
5.4.350.0000.04019.41
5.4.340.0070.03719.30
5.4.320.0100.03018.98
5.4.310.0070.05719.30
5.4.300.0030.03719.15
5.4.290.0030.05319.20
5.4.280.0030.04319.32
5.4.270.0070.03719.20
5.4.260.0000.04319.31
5.4.250.0100.07319.20
5.4.240.0100.07319.20
5.4.230.0100.07719.15
5.4.220.0100.07719.13
5.4.210.0100.07019.04
5.4.200.0100.06319.13
5.4.190.0100.03319.31
5.4.180.0100.04018.95
5.4.170.0130.07719.28
5.4.160.0100.04719.30
5.4.150.0000.05319.20
5.4.140.0070.04016.61
5.4.130.0070.07016.55
5.4.120.0030.08316.29
5.4.110.0030.07716.61
5.4.100.0130.07316.44
5.4.90.0100.06716.64
5.4.80.0170.05316.47
5.4.70.0030.06716.43
5.4.60.0000.05016.46
5.4.50.0000.04016.51
5.4.40.0030.06716.47
5.4.30.0100.06316.56
5.4.20.0030.07316.55
5.4.10.0030.08316.43
5.4.00.0070.07715.96
5.3.290.0070.03714.78
5.3.280.0100.08014.64
5.3.270.0030.08714.79
5.3.260.0130.08014.64
5.3.250.0130.06714.77
5.3.240.0030.07014.65
5.3.230.0100.07014.77
5.3.220.0030.05714.74
5.3.210.0130.04714.71
5.3.200.0070.05014.71
5.3.190.0030.04714.66
5.3.180.0030.08014.71
5.3.170.0070.07014.75
5.3.160.0030.06014.60
5.3.150.0030.05314.70
5.3.140.0100.05314.55
5.3.130.0030.08314.71
5.3.120.0070.07314.64
5.3.110.0170.07014.59
5.3.100.0030.07714.08
5.3.90.0030.08014.19
5.3.80.0100.07714.08
5.3.70.0170.05013.96
5.3.60.0070.08014.05
5.3.50.0070.06714.14
5.3.40.0100.06714.13
5.3.30.0000.04713.86
5.3.20.0100.04713.87
5.3.10.0070.08713.82
5.3.00.0030.08013.80
5.2.170.0100.04312.62
5.2.160.0070.06312.62
5.2.150.0070.05312.62
5.2.140.0030.06712.62
5.2.130.0030.06712.62
5.2.120.0070.05012.62
5.2.110.0000.05712.62
5.2.100.0030.05712.62
5.2.90.0100.06012.62
5.2.80.0100.06312.62
5.2.70.0030.06012.62
5.2.60.0030.06312.62
5.2.50.0000.06312.62
5.2.40.0100.06312.62
5.2.30.0000.06312.62
5.2.20.0070.05312.62
5.2.10.0030.05312.62
5.2.00.0030.03312.62
5.1.60.0030.05012.62
5.1.50.0030.05712.62
5.1.40.0100.05012.62
5.1.30.0030.05012.62
5.1.20.0100.05312.62
5.1.10.0070.04712.62
5.1.00.0000.03712.62
5.0.50.0030.04012.62
5.0.40.0030.04312.62
5.0.30.0000.05712.62
5.0.20.0130.03012.62
5.0.10.0000.04712.62
5.0.00.0000.06312.62
4.4.90.0070.03312.62
4.4.80.0000.03712.62
4.4.70.0030.03312.62
4.4.60.0000.03312.62
4.4.50.0030.03312.62
4.4.40.0100.05012.62
4.4.30.0000.04012.62
4.4.20.0030.02312.62
4.4.10.0000.03712.62
4.4.00.0000.06012.62
4.3.110.0000.03312.62
4.3.100.0000.02312.62
4.3.90.0000.03712.62
4.3.80.0070.05012.62
4.3.70.0030.03312.62
4.3.60.0030.03312.62
4.3.50.0030.03712.62
4.3.40.0000.05312.62
4.3.30.0000.02312.62
4.3.20.0000.02312.62
4.3.10.0030.03712.62
4.3.00.0030.03312.62

preferences:
61.23 ms | 401 KiB | 5 Q