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); $data = str_replace('\\/', '/', json_encode($array)); //$data = preg_replace('/\\\\u([a-f0-9]{4})/e', "iconv('UCS-4LE', 'UTF-8', pack('V', hexdec('U$1')))", json_encode($array)); } 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)
8.3.60.0110.00718.27
8.3.50.0130.00717.27
8.3.40.0150.00418.85
8.3.30.0070.00718.59
8.3.20.0090.00018.77
8.3.10.0040.00420.42
8.3.00.0090.00017.63
8.2.180.0120.00616.63
8.2.170.0120.00622.96
8.2.160.0130.00322.13
8.2.150.0070.00024.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0000.00719.83
8.2.110.0030.00622.23
8.2.100.0040.00817.84
8.2.90.0050.00320.65
8.2.80.0040.00417.97
8.2.70.0060.00317.90
8.2.60.0000.00818.22
8.2.50.0060.00319.25
8.2.40.0040.00419.48
8.2.30.0040.00417.75
8.2.20.0040.00417.59
8.2.10.0050.00217.63
8.2.00.0000.00717.82
8.1.280.0080.00825.92
8.1.270.0040.00424.66
8.1.260.0040.00426.35
8.1.250.0050.00328.09
8.1.240.0030.00622.02
8.1.230.0030.00919.01
8.1.220.0040.00417.79
8.1.210.0000.00918.77
8.1.200.0030.00717.35
8.1.190.0040.00417.22
8.1.180.0000.00918.10
8.1.170.0030.00518.46
8.1.160.0040.00418.67
8.1.150.0000.01018.48
8.1.140.0040.00417.27
8.1.130.0000.00717.69
8.1.120.0000.00717.30
8.1.110.0000.00717.30
8.1.100.0000.00717.43
8.1.90.0030.00617.42
8.1.80.0060.00317.37
8.1.70.0030.00317.32
8.1.60.0030.00517.52
8.1.50.0000.00717.44
8.1.40.0040.00417.42
8.1.30.0040.00417.57
8.1.20.0000.00717.48
8.1.10.0060.00317.48
8.1.00.0000.00717.37
8.0.300.0060.00319.71
8.0.290.0000.00716.63
8.0.280.0000.00717.91
8.0.270.0000.00718.05
8.0.260.0030.00316.83
8.0.250.0040.00416.98
8.0.240.0040.00416.84
8.0.230.0060.00016.80
8.0.220.0000.00716.84
8.0.210.0040.00416.85
8.0.200.0070.00016.86
8.0.190.0000.00816.89
8.0.180.0040.00416.88
8.0.170.0040.00416.85
8.0.160.0070.00016.72
8.0.150.0030.00616.79
8.0.140.0070.00016.82
8.0.130.0000.00613.21
8.0.120.0050.00316.67
8.0.110.0080.00016.85
8.0.100.0040.00416.73
8.0.90.0050.00216.70
8.0.80.0040.01116.87
8.0.70.0030.00616.68
8.0.60.0040.00416.87
8.0.50.0000.00716.72
8.0.30.0080.01217.20
8.0.20.0070.01217.07
8.0.10.0040.00416.90
8.0.00.0140.00316.61
7.4.330.0050.00014.59
7.4.320.0070.00016.52
7.4.300.0030.00316.42
7.4.290.0000.00616.46
7.4.280.0060.00316.45
7.4.270.0030.00316.59
7.4.260.0030.00313.22
7.4.250.0040.00416.57
7.4.240.0040.00416.49
7.4.230.0000.00816.59
7.4.220.0090.00916.47
7.4.210.0100.00616.48
7.4.200.0030.00316.54
7.4.190.0000.00716.62
7.4.160.0060.00916.36
7.4.150.0140.00317.07
7.4.140.0080.01017.14
7.4.130.0100.00616.43
7.4.120.0110.00616.46
7.4.110.0060.01216.26
7.4.100.0060.01916.54
7.4.90.0060.01216.42
7.4.80.0070.01018.80
7.4.70.0100.00616.34
7.4.60.0090.00916.42
7.4.50.0040.00423.17
7.4.40.0070.01121.69
7.4.30.0040.01116.38
7.4.00.0070.01015.08
7.3.330.0070.00013.18
7.3.320.0060.00013.04
7.3.310.0000.00716.03
7.3.300.0000.00716.21
7.3.290.0080.01116.24
7.3.280.0130.00416.18
7.3.270.0070.01017.07
7.3.260.0090.00918.24
7.3.250.0090.01016.18
7.3.240.0040.01716.44
7.3.230.0120.00916.27
7.3.210.0110.00716.35
7.3.200.0070.01119.39
7.3.190.0160.00616.08
7.3.180.0030.01316.39
7.3.170.0090.00916.41
7.3.160.0120.00316.21
7.3.120.0070.00714.78
7.3.10.0030.01016.22
7.3.00.0030.01016.57
7.2.330.0110.00716.38
7.2.320.0160.00016.60
7.2.310.0090.01116.62
7.2.300.0140.00316.38
7.2.290.0110.01116.65
7.2.130.0090.00016.90
7.2.120.0030.01016.50
7.2.110.0030.01017.05
7.2.100.0000.01016.86
7.2.90.0090.00316.97
7.2.80.0100.00316.59
7.2.70.0080.00316.61
7.2.60.0000.01216.74
7.2.50.0170.00016.75
7.2.40.0070.00716.91
7.2.30.0090.00316.72
7.2.20.0000.01716.77
7.2.10.0040.01116.91
7.2.00.0030.00818.16
7.1.250.0040.01115.82
7.1.100.0030.01018.31
7.1.70.0060.00317.26
7.1.60.0040.00717.13
7.1.50.0070.01416.89
7.1.00.0000.07722.57
7.0.200.0050.00316.53
7.0.140.0100.06321.97
7.0.120.0070.02722.15
7.0.90.0070.08320.03
7.0.80.0500.06719.89
7.0.70.0300.06320.00
7.0.60.0270.08719.87
7.0.50.0100.04320.23
7.0.40.0070.08320.11
7.0.30.0000.08720.14
7.0.20.0070.05020.07
7.0.10.0030.05720.07
7.0.00.0170.07320.07
5.6.280.0030.07321.06
5.6.240.0070.05020.66
5.6.230.0070.05720.73
5.6.220.0100.04320.62
5.6.210.0030.08720.68
5.6.200.0100.06321.05
5.6.190.0030.06721.05
5.6.180.0100.07321.04
5.6.170.0070.05721.07
5.6.160.0070.06020.95
5.6.150.0230.07021.04
5.6.140.0030.08720.93
5.6.130.0070.05021.11
5.6.120.0070.08021.06
5.6.110.0100.03721.02
5.6.100.0170.05721.02
5.6.90.0070.03721.07
5.6.80.0200.06320.46
5.6.70.0070.03720.39
5.6.60.0070.07020.32
5.6.50.0200.04720.48
5.6.40.0130.04720.45
5.6.30.0070.05020.37
5.6.20.0130.05720.43
5.6.10.0070.04020.28
5.6.00.0130.04720.36
5.5.380.0030.05020.36
5.5.370.0030.07320.36
5.5.360.0070.09020.39
5.5.350.0100.04720.37
5.5.340.0130.04720.93
5.5.330.0000.05020.64
5.5.320.0200.03720.86
5.5.310.0070.06720.79
5.5.300.0100.05720.93
5.5.290.0130.08020.74
5.5.280.0070.07720.77
5.5.270.0000.09020.88
5.5.260.0130.03020.72
5.5.250.0030.04020.68
5.5.240.0100.07020.29
5.5.230.0100.07320.28
5.5.220.0030.06020.23
5.5.210.0170.06720.26
5.5.200.0100.06020.09
5.5.190.0130.05720.07
5.5.180.0100.03720.23
5.5.160.0000.05020.14
5.5.150.0000.05020.15
5.5.140.0070.08320.23
5.5.130.0030.03720.22
5.5.120.0030.04020.18
5.5.110.0030.04020.28
5.5.100.0000.05019.98
5.5.90.0030.04020.14
5.5.80.0030.04020.12
5.5.70.0030.04020.06
5.5.60.0100.03720.09
5.5.50.0070.03319.95
5.5.40.0000.04320.07
5.5.30.0000.03720.04
5.5.20.0000.05019.95
5.5.10.0000.04320.11
5.5.00.0100.02719.99
5.4.450.0100.08019.45
5.4.440.0000.05719.27
5.4.430.0100.06719.38
5.4.420.0100.07319.44
5.4.410.0200.06019.03
5.4.400.0030.04019.10
5.4.390.0030.08018.78
5.4.380.0000.05719.03
5.4.370.0070.07019.05
5.4.360.0030.04018.98
5.4.350.0070.04319.02
5.4.340.0000.08018.96
5.4.320.0100.07019.11
5.4.310.0030.04019.06
5.4.300.0000.03719.02
5.4.290.0030.04019.02
5.4.280.0070.04018.78
5.4.270.0030.04018.96
5.4.260.0030.03719.02
5.4.250.0030.04019.11
5.4.240.0100.03318.78
5.4.230.0030.03319.04
5.4.220.0070.04019.04
5.4.210.0070.03719.24
5.4.200.0030.03319.09
5.4.190.0030.03019.09
5.4.180.0030.04019.01
5.4.170.0070.03719.11
5.4.160.0100.02719.04
5.4.150.0000.05719.10
5.4.140.0070.04016.32
5.4.130.0030.03716.21
5.4.120.0030.03016.27
5.4.110.0100.03016.36
5.4.100.0030.03016.36
5.4.90.0070.03316.31
5.4.80.0070.02716.31
5.4.70.0070.03316.32
5.4.60.0030.03716.34
5.4.50.0070.03316.40
5.4.40.0000.03316.36
5.4.30.0070.03016.40
5.4.20.0030.03316.30
5.4.10.0070.03316.19
5.4.00.0000.03715.66
5.3.290.0070.05714.53
5.3.280.0070.03314.45
5.3.270.0030.03014.46
5.3.260.0030.03014.59
5.3.250.0030.03314.56
5.3.240.0070.02714.55
5.3.230.0030.03314.58
5.3.220.0000.03714.55
5.3.210.0000.04314.57
5.3.200.0100.02714.39
5.3.190.0000.04014.48
5.3.180.0070.03014.57
5.3.170.0000.03314.52
5.3.160.0030.04014.55
5.3.150.0000.03314.57
5.3.140.0000.03714.56
5.3.130.0100.03014.50
5.3.120.0030.03314.54
5.3.110.0000.03314.40
5.3.100.0000.03314.02
5.3.90.0030.03314.02
5.3.80.0000.04013.93
5.3.70.0030.03713.88
5.3.60.0000.04013.86
5.3.50.0070.03713.80
5.3.40.0000.04013.80
5.3.30.0030.03313.89
5.3.20.0000.03013.56
5.3.10.0030.04313.60
5.3.00.0070.03313.60
5.2.170.0000.03010.97
5.2.160.0070.02011.14
5.2.150.0000.02711.16
5.2.140.0000.02711.16
5.2.130.0070.02011.09
5.2.120.0030.02311.09
5.2.110.0000.03710.96
5.2.100.0000.04311.08
5.2.90.0000.03010.91
5.2.80.0030.04311.16
5.2.70.0070.03311.05
5.2.60.0030.03011.12
5.2.50.0070.05310.88
5.2.40.0070.02310.92
5.2.30.0100.04310.96
5.2.20.0030.03310.88
5.2.10.0030.03010.71
5.2.00.0000.04010.61
5.1.60.0030.0279.98
5.1.50.0030.0239.97
5.1.40.0070.0279.96
5.1.30.0000.05310.38
5.1.20.0030.03010.36
5.1.10.0070.02710.10
5.1.00.0030.05310.06
5.0.50.0000.0408.59
5.0.40.0000.0308.39
5.0.30.0070.0378.23
5.0.20.0100.0238.25
5.0.10.0070.0238.24
5.0.00.0000.0578.16
4.4.90.0030.0107.63
4.4.80.0000.0177.63
4.4.70.0000.0137.63
4.4.60.0000.0307.63
4.4.50.0000.0237.63
4.4.40.0130.0377.63
4.4.30.0030.0137.63
4.4.20.0030.0277.63
4.4.10.0000.0277.63
4.4.00.0030.0507.63
4.3.110.0000.0277.63
4.3.100.0100.0277.63
4.3.90.0030.0177.63
4.3.80.0030.0507.63
4.3.70.0070.0207.63
4.3.60.0000.0207.63
4.3.50.0000.0177.63
4.3.40.0000.0337.63
4.3.30.0000.0207.63
4.3.20.0030.0207.63
4.3.10.0000.0307.63
4.3.00.0030.0337.63

preferences:
44.65 ms | 401 KiB | 5 Q