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' => "<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 { //$data = str_replace('\\/', '/', json_encode($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)
8.3.40.0060.00918.71
8.3.30.0100.00318.53
8.3.20.0000.00818.39
8.3.10.0080.00020.39
8.3.00.0030.00517.63
8.2.170.0150.00022.96
8.2.160.0000.01419.29
8.2.150.0050.00224.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0040.00419.88
8.2.110.0000.00920.97
8.2.100.0100.00317.78
8.2.90.0040.00419.28
8.2.80.0030.00617.97
8.2.70.0030.00617.63
8.2.60.0030.00717.91
8.2.50.0030.00518.07
8.2.40.0040.00418.22
8.2.30.0000.00818.12
8.2.20.0000.00817.57
8.2.10.0050.00217.76
8.2.00.0000.00817.63
8.1.270.0040.00424.66
8.1.260.0060.00326.35
8.1.250.0040.00428.09
8.1.240.0120.00621.28
8.1.230.0050.00717.42
8.1.220.0040.00417.78
8.1.210.0030.00518.77
8.1.200.0040.00417.23
8.1.190.0000.00817.23
8.1.180.0090.00018.10
8.1.170.0060.00318.77
8.1.160.0040.00418.93
8.1.150.0070.00018.45
8.1.140.0000.00817.27
8.1.130.0030.00317.80
8.1.120.0000.00717.30
8.1.110.0070.00017.39
8.1.100.0000.00717.30
8.1.90.0000.00817.39
8.1.80.0000.00717.33
8.1.70.0030.00317.29
8.1.60.0080.00017.60
8.1.50.0000.00717.34
8.1.40.0040.00417.52
8.1.30.0030.00517.59
8.1.20.0000.00817.55
8.1.10.0000.00817.47
8.1.00.0000.00717.52
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0030.00318.37
8.0.270.0000.00717.21
8.0.260.0060.00016.83
8.0.250.0040.00416.97
8.0.240.0000.00816.93
8.0.230.0040.00216.92
8.0.220.0000.00716.85
8.0.210.0000.00716.73
8.0.200.0030.00316.92
8.0.190.0040.00416.88
8.0.180.0080.00016.81
8.0.170.0080.00016.82
8.0.160.0030.00316.80
8.0.150.0040.00416.77
8.0.140.0040.00416.71
8.0.130.0000.00513.27
8.0.120.0000.00716.73
8.0.110.0070.00016.74
8.0.100.0050.00316.87
8.0.90.0040.00416.71
8.0.80.0050.00916.84
8.0.70.0070.00016.86
8.0.60.0000.00716.84
8.0.50.0000.00716.87
8.0.30.0100.01216.84
8.0.20.0130.01316.95
8.0.10.0000.00716.89
8.0.00.0090.01016.71
7.4.330.0000.00512.89
7.4.320.0000.00616.47
7.4.300.0030.00316.43
7.4.290.0070.00016.50
7.4.280.0000.00716.39
7.4.270.0040.00416.45
7.4.260.0030.00313.13
7.4.250.0030.00616.45
7.4.240.0070.00016.57
7.4.230.0000.00716.45
7.4.220.0110.00716.50
7.4.210.0070.00816.50
7.4.200.0000.00716.50
7.4.190.0070.00016.64
7.4.160.0070.00716.29
7.4.150.0120.00616.55
7.4.140.0070.01216.36
7.4.130.0120.00616.56
7.4.120.0070.01016.49
7.4.110.0070.01016.37
7.4.100.0070.01016.48
7.4.90.0060.01216.43
7.4.80.0030.01416.36
7.4.70.0040.01516.46
7.4.60.0090.00616.46
7.4.50.0030.00616.47
7.4.40.0020.00816.46
7.4.30.0090.00616.53
7.4.00.0020.01114.99
7.3.330.0000.00513.12
7.3.320.0050.00013.04
7.3.310.0000.00816.13
7.3.300.0000.00616.21
7.3.290.0060.01216.19
7.3.280.0090.00516.21
7.3.270.0120.00916.43
7.3.260.0090.01116.24
7.3.250.0090.01016.48
7.3.240.0030.01416.57
7.3.230.0060.01216.05
7.3.210.0070.01016.50
7.3.200.0080.01119.39
7.3.190.0060.01816.44
7.3.180.0060.01116.43
7.3.170.0110.00716.39
7.3.160.0130.00316.19
7.3.120.0070.00914.62
7.3.110.0040.01514.73
7.3.100.0060.00914.56
7.3.90.0100.01014.52
7.3.80.0070.00314.52
7.3.70.0040.00814.68
7.3.60.0040.01014.85
7.3.50.0030.01314.89
7.3.40.0120.00314.45
7.3.30.0110.00414.38
7.3.20.0050.00516.61
7.3.10.0080.00416.81
7.3.00.0000.01416.32
7.2.330.0140.00416.23
7.2.320.0100.00716.61
7.2.310.0070.01316.52
7.2.300.0130.00416.64
7.2.290.0100.00716.46
7.2.250.0090.00914.86
7.2.240.0030.01614.82
7.2.230.0140.00714.81
7.2.220.0030.00714.71
7.2.210.0060.01014.85
7.2.200.0040.00715.16
7.2.190.0070.00314.74
7.2.180.0000.01515.03
7.2.170.0060.00814.81
7.2.00.0040.01119.46
7.1.330.0070.00715.56
7.1.320.0000.01115.96
7.1.310.0060.00315.91
7.1.300.0030.01015.90
7.1.290.0060.00615.58
7.1.280.0120.00315.66
7.1.270.0140.00015.71
7.1.260.0040.00715.80
7.1.100.0060.00818.14
7.1.70.0060.00317.12
7.1.60.0120.00619.40
7.1.50.0070.01316.92
7.1.00.0000.06022.54
7.0.200.0280.00314.40
7.0.140.0000.07721.99
7.0.120.0030.06722.03
7.0.90.0070.04719.93
7.0.80.0100.08020.02
7.0.70.0700.07320.00
7.0.60.0500.07019.96
7.0.50.0730.06320.32
7.0.40.0070.04020.04
7.0.30.0170.06320.07
7.0.20.0070.07720.19
7.0.10.0070.08320.14
7.0.00.0130.07320.14
5.6.280.0030.07321.07
5.6.240.0030.07020.66
5.6.230.0130.04020.48
5.6.220.0030.08020.62
5.6.210.0000.07720.57
5.6.200.0200.07721.11
5.6.190.0130.04021.04
5.6.180.0130.05321.10
5.6.170.0200.05321.17
5.6.160.0030.05021.10
5.6.150.0100.08321.01
5.6.140.0200.06720.95
5.6.130.0100.08021.08
5.6.120.0100.08321.11
5.6.110.0070.07021.12
5.6.100.0070.07721.00
5.6.90.0170.05720.92
5.6.80.0100.07720.42
5.6.70.0030.07720.34
5.6.60.0070.08020.43
5.6.50.0070.06720.44
5.6.40.0130.07320.31
5.6.30.0100.07320.40
5.6.20.0100.07320.38
5.6.10.0100.05020.30
5.6.00.0100.06720.40
5.5.380.0100.08020.35
5.5.370.0130.05720.35
5.5.360.0070.06320.44
5.5.350.0000.05020.43
5.5.340.0100.08020.85
5.5.330.0030.08720.89
5.5.320.0030.04320.83
5.5.310.0200.06720.89
5.5.300.0030.07720.63
5.5.290.0100.07720.86
5.5.280.0030.04720.75
5.5.270.0230.07320.82
5.5.260.0070.08320.91
5.5.250.0030.04720.57
5.5.240.0100.05020.27
5.5.230.0100.08020.15
5.5.220.0070.07320.29
5.5.210.0130.07020.24
5.5.200.0170.07720.11
5.5.190.0070.08020.11
5.5.180.0070.07319.99
5.5.160.0130.07320.27
5.5.150.0070.08320.23
5.5.140.0000.07320.18
5.5.130.0030.08720.26
5.5.120.0130.07020.23
5.5.110.0030.08720.09
5.5.100.0100.07720.16
5.5.90.0000.08020.16
5.5.80.0070.08020.00
5.5.70.0130.07320.12
5.5.60.0130.06320.02
5.5.50.0030.08320.09
5.5.40.0070.04720.13
5.5.30.0030.07319.92
5.5.20.0070.07720.05
5.5.10.0070.08020.10
5.5.00.0130.07319.96
5.4.450.0200.06719.21
5.4.440.0070.07319.27
5.4.430.0100.07719.37
5.4.420.0030.05719.39
5.4.410.0130.06719.42
5.4.400.0070.07319.14
5.4.390.0070.07019.04
5.4.380.0100.05319.02
5.4.370.0130.07019.03
5.4.360.0130.08019.05
5.4.350.0130.07319.23
5.4.340.0070.07319.16
5.4.320.0000.08318.96
5.4.310.0030.07719.03
5.4.300.0000.07719.06
5.4.290.0100.06719.12
5.4.280.0130.07718.96
5.4.270.0070.07019.00
5.4.260.0130.07019.07
5.4.250.0070.06319.05
5.4.240.0170.06019.11
5.4.230.0070.07719.05
5.4.220.0030.08318.97
5.4.210.0030.06318.75
5.4.200.0130.06719.04
5.4.190.0100.07718.89
5.4.180.0130.03718.95
5.4.170.0070.08019.07
5.4.160.0100.07018.94
5.4.150.0030.08019.07
5.4.140.0030.08016.24
5.4.130.0130.07016.28
5.4.120.0070.04716.27
5.4.110.0170.06016.40
5.4.100.0000.07016.21
5.4.90.0030.07316.48
5.4.80.0100.06716.31
5.4.70.0070.06016.36
5.4.60.0030.07016.42
5.4.50.0100.07016.35
5.4.40.0000.05316.26
5.4.30.0130.07316.23
5.4.20.0030.07316.40
5.4.10.0070.06716.37
5.4.00.0130.04315.46
5.3.290.0030.08314.68
5.3.280.0170.04714.61
5.3.270.0030.08314.73
5.3.260.0100.07714.75
5.3.250.0100.07714.60
5.3.240.0030.06314.75
5.3.230.0030.07714.75
5.3.220.0130.07014.66
5.3.210.0100.07714.73
5.3.200.0070.08014.58
5.3.190.0100.07314.72
5.3.180.0030.06314.59
5.3.170.0100.07014.71
5.3.160.0100.04714.59
5.3.150.0170.06714.71
5.3.140.0070.07714.54
5.3.130.0100.05714.71
5.3.120.0130.06714.73
5.3.110.0070.07714.67
5.3.100.0100.07314.18
5.3.90.0070.07014.16
5.3.80.0030.05714.09
5.3.70.0030.04713.93
5.3.60.0100.07014.14
5.3.50.0000.06314.08
5.3.40.0100.07313.87
5.3.30.0170.05014.02
5.3.20.0100.06313.79
5.3.10.0070.07013.67
5.3.00.0030.08013.73
5.2.170.0030.06711.28
5.2.160.0100.05311.16
5.2.150.0000.07311.32
5.2.140.0100.07311.36
5.2.130.0070.05711.32
5.2.120.0000.05311.05
5.2.110.0030.06311.08
5.2.100.0000.07311.10
5.2.90.0070.06011.25
5.2.80.0100.05711.25
5.2.70.0070.05711.30
5.2.60.0030.05311.20
5.2.50.0100.06011.09
5.2.40.0070.06310.94
5.2.30.0030.04710.95
5.2.20.0170.04710.97
5.2.10.0030.06311.09
5.2.00.0130.04010.93
5.1.60.0100.0479.83
5.1.50.0000.05710.04
5.1.40.0000.0439.80
5.1.30.0070.05310.26
5.1.20.0000.06010.39
5.1.10.0030.06010.09
5.1.00.0130.0309.91
5.0.50.0100.0338.38
5.0.40.0030.0378.46
5.0.30.0070.0638.26
5.0.20.0030.0438.05
5.0.10.0000.0478.00
5.0.00.0000.0678.15
4.4.90.0000.0377.29
4.4.80.0000.0377.29
4.4.70.0000.0407.29
4.4.60.0070.0337.29
4.4.50.0000.0407.29
4.4.40.0000.0537.29
4.4.30.0030.0377.29
4.4.20.0000.0377.29
4.4.10.0000.0377.29
4.4.00.0070.0437.29
4.3.110.0000.0377.29
4.3.100.0000.0337.29
4.3.90.0000.0207.29
4.3.80.0000.0607.29
4.3.70.0030.0377.29
4.3.60.0070.0307.29
4.3.50.0070.0307.29
4.3.40.0030.0507.29
4.3.30.0030.0307.29
4.3.20.0030.0337.29
4.3.10.0000.0277.29
4.3.00.0030.0207.29

preferences:
73.46 ms | 400 KiB | 5 Q