3v4l.org

run code in 300+ PHP versions simultaneously
<?php //if (version_compare(PHP_VERSION, '5.2', '<')) { // exit 'no json_encode() support'; //} $array = array('text' => "£ Â <h1>Кириллический URL</h1>\n<p>This is Cyrillic URL example. Try <a class=js-as dir=rtl href=עברית>RTL עברית</a>.</p>\n"); if (version_compare(PHP_VERSION, '5.4', '>=')) { $data = json_encode($array, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE); } else { //$data = json_encode($array); $data = preg_replace('/\\\\u([a-f0-9]{4})/e', "iconv('UCS-4LE', 'UTF-8', pack('V', hexdec('U$1')))", json_encode($array)); $data = str_replace('\\/', '/', json_encode($data)); } echo $data;

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)
8.3.70.0120.00316.50
8.3.60.0040.01118.18
8.3.50.0130.00622.06
8.3.40.0070.01418.70
8.3.30.0140.00319.09
8.3.20.0000.00720.34
8.3.10.0080.00023.54
8.3.00.0050.00519.13
8.2.180.0070.00716.36
8.2.170.0140.00322.96
8.2.160.0120.00920.39
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0000.00726.16
8.2.120.0040.00422.13
8.2.110.0090.00621.10
8.2.100.0040.00817.78
8.2.90.0000.00819.22
8.2.80.0000.00817.97
8.2.70.0040.00417.50
8.2.60.0000.00917.80
8.2.50.0070.00318.10
8.2.40.0080.00018.22
8.2.30.0040.00418.11
8.2.20.0000.00717.57
8.2.10.0040.00418.20
8.2.00.0000.00817.82
8.1.280.0030.01025.92
8.1.270.0150.00422.18
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0060.00621.24
8.1.230.0110.00017.77
8.1.220.0000.00817.79
8.1.210.0040.00418.77
8.1.200.0030.00717.22
8.1.190.0040.00417.10
8.1.180.0070.00018.10
8.1.170.0030.00618.57
8.1.160.0000.00721.95
8.1.150.0070.00018.59
8.1.140.0000.00717.38
8.1.130.0000.00717.75
8.1.120.0000.00717.43
8.1.110.0070.00017.39
8.1.100.0000.00817.40
8.1.90.0000.00717.39
8.1.80.0040.00417.47
8.1.70.0000.00717.38
8.1.60.0050.00317.50
8.1.50.0050.00317.51
8.1.40.0040.00417.36
8.1.30.0040.00417.58
8.1.20.0050.00217.48
8.1.10.0040.00417.53
8.1.00.0060.00317.46
8.0.300.0050.00218.77
8.0.290.0040.00416.75
8.0.280.0030.00518.39
8.0.270.0030.00317.27
8.0.260.0070.00016.75
8.0.250.0000.00716.91
8.0.240.0000.00716.84
8.0.230.0050.00216.89
8.0.220.0000.00616.84
8.0.210.0000.00716.75
8.0.200.0070.00016.79
8.0.190.0000.00816.88
8.0.180.0040.00416.89
8.0.170.0000.00716.85
8.0.160.0030.00316.75
8.0.150.0070.00016.71
8.0.140.0070.00016.69
8.0.130.0000.00513.23
8.0.120.0040.00416.81
8.0.110.0080.00016.88
8.0.100.0030.00516.77
8.0.90.0000.00716.87
8.0.80.0070.00716.76
8.0.70.0070.00016.75
8.0.60.0050.00316.71
8.0.50.0000.00716.78
8.0.30.0100.01216.99
8.0.20.0080.01117.40
8.0.10.0040.00416.79
8.0.00.0100.01116.72
7.4.330.0000.00515.09
7.4.320.0000.00716.60
7.4.300.0000.00716.50
7.4.290.0050.00316.46
7.4.280.0040.00416.52
7.4.270.0030.00316.40
7.4.260.0030.00316.57
7.4.250.0030.00316.27
7.4.240.0030.00316.49
7.4.230.0070.00016.35
7.4.220.0090.00916.52
7.4.210.0070.00916.57
7.4.200.0070.00016.30
7.4.190.0030.00316.40
7.4.160.0120.00816.40
7.4.150.0030.01417.40
7.4.140.0130.00317.86
7.4.130.0110.00716.50
7.4.120.0130.00616.46
7.4.110.0100.00716.45
7.4.100.0030.01316.52
7.4.90.0130.00316.71
7.4.80.0030.01519.39
7.4.70.0060.01016.43
7.4.60.0030.01316.30
7.4.50.0030.00616.47
7.4.40.0110.00622.77
7.4.30.0100.00716.46
7.4.00.0060.01214.65
7.3.330.0000.00512.94
7.3.320.0000.00513.10
7.3.310.0020.00516.28
7.3.300.0000.00716.19
7.3.290.0030.01016.26
7.3.280.0060.01016.26
7.3.270.0090.00917.40
7.3.260.0140.00716.50
7.3.250.0080.01016.38
7.3.240.0030.01516.39
7.3.230.0070.01116.50
7.3.210.0100.00716.21
7.3.200.0120.00819.39
7.3.190.0130.00716.34
7.3.180.0100.00616.32
7.3.170.0070.00716.46
7.3.160.0100.00716.23
7.3.120.0070.01014.91
7.3.10.0000.01016.77
7.3.00.0060.00816.62
7.2.330.0090.00916.71
7.2.320.0140.00716.73
7.2.310.0030.01316.70
7.2.300.0070.01016.49
7.2.290.0060.01216.34
7.2.130.0120.00316.73
7.2.120.0050.00916.78
7.2.110.0050.00816.51
7.2.100.0020.01016.64
7.2.90.0110.00616.84
7.2.80.0030.00916.93
7.2.70.0110.00416.88
7.2.60.0060.00816.77
7.2.50.0100.00616.72
7.2.40.0020.01116.94
7.2.30.0080.00316.65
7.2.20.0090.00416.90
7.2.10.0050.00816.71
7.2.00.0100.00616.76
7.1.250.0070.00315.51
7.1.240.0130.00015.50
7.1.230.0120.00315.65
7.1.220.0080.00415.73
7.1.210.0040.01115.54
7.1.200.0030.01015.79
7.1.190.0100.00615.71
7.1.180.0120.00615.57
7.1.170.0070.00715.63
7.1.160.0170.00015.67
7.1.150.0150.00415.75
7.1.140.0130.00315.48
7.1.130.0100.00715.81
7.1.120.0040.01115.46
7.1.110.0080.00615.45
7.1.100.0120.00615.57
7.1.90.0070.00715.65
7.1.80.0100.00715.63
7.1.70.0040.00716.50
7.1.60.0080.01217.45
7.1.50.0050.01216.23
7.1.40.0060.00615.75
7.1.30.0030.00915.73
7.1.20.0030.01015.76
7.1.10.0160.00315.61
7.1.00.0080.03819.10
7.0.330.0040.00715.21
7.0.320.0080.00814.93
7.0.310.0130.00615.23
7.0.300.0120.00415.45
7.0.290.0100.01015.42
7.0.280.0120.00615.15
7.0.270.0070.01114.98
7.0.260.0120.00614.98
7.0.250.0130.00715.39
7.0.240.0040.01115.42
7.0.230.0100.00315.02
7.0.220.0180.00015.27
7.0.210.0100.00715.27
7.0.200.0080.00515.88
7.0.190.0030.01015.21
7.0.180.0140.00315.10
7.0.170.0120.00315.19
7.0.160.0040.00715.41
7.0.150.0030.01315.20
7.0.140.0100.03518.69
7.0.130.0130.00315.16
7.0.120.0110.00615.29
7.0.110.0070.01015.22
7.0.100.0070.00715.36
7.0.90.0470.04017.57
7.0.80.0350.04517.54
7.0.70.0350.04017.51
7.0.60.0370.04017.52
7.0.50.0360.03917.78
7.0.40.0040.03916.58
7.0.30.0090.03116.77
7.0.20.0080.04216.71
7.0.10.0030.04416.59
7.0.00.0080.04516.65
5.6.380.0100.00014.36
5.6.370.0030.00714.00
5.6.360.0060.01014.57
5.6.350.0100.00314.43
5.6.340.0040.01213.83
5.6.330.0000.01014.03
5.6.320.0090.00314.53
5.6.310.0120.00314.25
5.6.300.0100.00314.41
5.6.290.0120.00313.76
5.6.280.0020.04317.53
5.6.270.0090.00014.16
5.6.260.0030.01014.34
5.6.250.0090.00314.44
5.6.240.0080.04617.36
5.6.230.0020.03717.55
5.6.220.0070.04617.41
5.6.210.0100.02217.40
5.6.200.0070.03917.54
5.6.190.0080.04717.50
5.6.180.0030.04617.65
5.6.170.0040.04717.63
5.6.160.0050.04317.57
5.6.150.0100.04017.56
5.6.140.0070.02717.66
5.6.130.0100.04217.68
5.6.120.0050.04617.76
5.6.110.0050.04617.52
5.6.100.0100.02817.61
5.6.90.0020.03217.73
5.6.80.0090.03417.28
5.6.70.0090.03717.11
5.6.60.0100.04217.25
5.6.50.0100.03117.20
5.6.40.0000.03517.30
5.6.30.0090.02917.26
5.6.20.0020.03317.20
5.6.10.0050.02817.27
5.6.00.0080.03517.07
5.5.380.0050.04015.68
5.5.370.0020.05015.66
5.5.360.0000.04515.64
5.5.350.0070.04415.61
5.5.340.0020.04815.93
5.5.330.0020.03415.91
5.5.320.0090.02115.89
5.5.310.0030.04815.89
5.5.300.0050.03715.89
5.5.290.0080.04015.86
5.5.280.0120.03715.85
5.5.270.0040.04415.88
5.5.260.0070.04415.87
5.5.250.0080.04015.76
5.5.240.0050.02415.57
5.5.230.0050.04215.59
5.5.220.0020.04515.58
5.5.210.0080.02515.54
5.5.200.0100.02315.60
5.5.190.0100.03115.56
5.5.180.0070.02915.59
5.5.170.0110.00411.03
5.5.160.0090.03715.66
5.5.150.0070.03815.61
5.5.140.0070.03815.55
5.5.130.0060.02915.58
5.5.120.0090.03815.58
5.5.110.0050.03115.53
5.5.100.0170.03315.42
5.5.90.0150.02615.52
5.5.80.0030.04515.49
5.5.70.0020.03615.43
5.5.60.0050.04215.47
5.5.50.0040.03415.41
5.5.40.0070.03815.56
5.5.30.0070.04515.49
5.5.20.0040.04715.56
5.5.10.0050.03315.44
5.5.00.0050.04015.46
5.4.450.0050.03815.16
5.4.440.0050.02515.01
5.4.430.0060.04315.10
5.4.420.0050.02315.17
5.4.410.0070.03115.10
5.4.400.0070.04315.02
5.4.390.0100.03814.94
5.4.380.0110.03914.92
5.4.370.0070.02415.07
5.4.360.0090.02314.84
5.4.350.0080.03815.01
5.4.340.0090.03515.12
5.4.330.0090.00710.90
5.4.320.0050.04115.01
5.4.310.0030.03714.97
5.4.300.0060.04214.90
5.4.290.0100.03314.88
5.4.280.0090.03714.97
5.4.270.0050.04214.93
5.4.260.0050.03815.02
5.4.250.0060.02514.96
5.4.240.0110.03314.98
5.4.230.0040.04214.86
5.4.220.0070.03514.97
5.4.210.0080.03815.06
5.4.200.0100.03815.01
5.4.190.0070.04214.97
5.4.180.0060.03014.96
5.4.170.0070.04014.97
5.4.160.0100.03615.07
5.4.150.0070.03715.01
5.4.140.0040.02513.57
5.4.130.0030.02013.49
5.4.120.0030.04013.62
5.4.110.0100.03113.62
5.4.100.0050.04213.58
5.4.90.0050.04313.63
5.4.80.0030.04013.58
5.4.70.0070.02213.55
5.4.60.0030.04013.65
5.4.50.0100.03813.67
5.4.40.0060.03913.65
5.4.30.0050.03813.65
5.4.20.0080.03713.59
5.4.10.0080.03613.60
5.4.00.0100.03613.29
5.3.290.0080.04112.80
5.3.280.0070.04212.82
5.3.270.0030.04312.82
5.3.260.0060.03112.75
5.3.250.0070.04012.76
5.3.240.0070.02812.83
5.3.230.0130.03112.76
5.3.220.0050.04212.74
5.3.210.0050.04512.79
5.3.200.0030.04512.80
5.3.190.0020.04412.81
5.3.180.0060.03812.74
5.3.170.0030.03212.74
5.3.160.0020.04012.80
5.3.150.0060.03812.78
5.3.140.0060.03612.79
5.3.130.0030.04512.73
5.3.120.0030.04012.72
5.3.110.0050.03312.72
5.3.100.0070.02812.53
5.3.90.0050.04012.46
5.3.80.0070.02312.54
5.3.70.0070.04212.51
5.3.60.0050.04312.47
5.3.50.0100.02512.39
5.3.40.0070.02812.50
5.3.30.0060.03212.48
5.3.20.0040.03012.31
5.3.10.0050.04312.33
5.3.00.0070.03112.35
5.2.170.0050.03111.13
5.2.160.0060.03311.03
5.2.150.0020.02611.12
5.2.140.0090.02911.09
5.2.130.0030.03711.08
5.2.120.0050.03210.99
5.2.110.0080.03511.10
5.2.100.0020.02511.10
5.2.90.0000.03211.01
5.2.80.0020.03811.07
5.2.70.0050.01911.07
5.2.60.0030.03510.97
5.2.50.0040.03411.00
5.2.40.0030.03511.03
5.2.30.0080.03511.01
5.2.20.0080.03311.03
5.2.10.0060.03110.89
5.2.00.0080.02210.84
5.1.60.0060.02510.45
5.1.50.0000.03210.47
5.1.40.0050.02810.44
5.1.30.0050.02610.58
5.1.20.0060.02810.58
5.1.10.0060.02610.49
5.1.00.0080.02210.49
5.0.50.0020.0149.78
5.0.40.0030.0149.78
5.0.30.0020.0189.78
5.0.20.0010.0139.78
5.0.10.0050.0089.78
5.0.00.0030.0179.78
4.4.90.0030.0129.78
4.4.80.0000.0159.78
4.4.70.0050.0159.78
4.4.60.0000.0229.78
4.4.50.0050.0169.78
4.4.40.0020.0289.78
4.4.30.0020.0209.78
4.4.20.0020.0179.78
4.4.10.0050.0089.78
4.4.00.0010.0209.78
4.3.110.0050.0079.78
4.3.100.0020.0099.78
4.3.90.0010.0109.78
4.3.80.0050.0129.78
4.3.70.0020.0099.78
4.3.60.0030.0089.78
4.3.50.0040.0089.78
4.3.40.0000.0149.78
4.3.30.0000.0129.78
4.3.20.0000.0119.78
4.3.10.0000.0119.78
4.3.00.0000.0119.78

preferences:
73.25 ms | 401 KiB | 5 Q