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 .= preg_replace('/\\\\u([a-f0-9]{4})/e', "iconv('UCS-4LE', 'UTF-8', pack('V', hexdec('U$1')))", json_encode($array)); $data = str_replace('\\/', '/', json_encode($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)
8.3.70.0130.00316.38
8.3.60.0090.00616.21
8.3.50.0120.00722.06
8.3.40.0070.00718.75
8.3.30.0140.00319.00
8.3.20.0070.00020.38
8.3.10.0000.00923.57
8.3.00.0040.00420.93
8.2.180.0140.00416.63
8.2.170.0130.00322.96
8.2.160.0030.01020.39
8.2.150.0060.00324.18
8.2.140.0140.00324.66
8.2.130.0070.00026.16
8.2.120.0050.00322.16
8.2.110.0050.00522.08
8.2.100.0080.00417.84
8.2.90.0080.00019.34
8.2.80.0050.00318.05
8.2.70.0080.00017.63
8.2.60.0030.00517.93
8.2.50.0040.00418.07
8.2.40.0000.00818.22
8.2.30.0070.00018.08
8.2.20.0040.00417.55
8.2.10.0000.00717.75
8.2.00.0040.00417.64
8.1.280.0140.00625.92
8.1.270.0080.00023.88
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0040.00423.79
8.1.230.0040.00718.94
8.1.220.0030.00517.74
8.1.210.0080.00018.77
8.1.200.0030.00617.22
8.1.190.0000.00817.18
8.1.180.0040.00418.10
8.1.170.0050.00518.47
8.1.160.0040.00421.84
8.1.150.0040.00418.46
8.1.140.0000.00817.40
8.1.130.0040.00417.85
8.1.120.0040.00417.34
8.1.110.0040.00417.39
8.1.100.0070.00017.38
8.1.90.0000.00817.31
8.1.80.0040.00417.45
8.1.70.0030.00317.32
8.1.60.0000.00817.58
8.1.50.0090.00017.46
8.1.40.0040.00417.48
8.1.30.0040.00417.51
8.1.20.0040.00417.65
8.1.10.0030.00617.51
8.1.00.0030.00617.45
8.0.300.0040.00418.77
8.0.290.0000.00817.18
8.0.280.0070.00018.45
8.0.270.0000.00717.14
8.0.260.0030.00316.71
8.0.250.0000.00716.94
8.0.240.0030.00316.87
8.0.230.0070.00016.76
8.0.220.0030.00316.86
8.0.210.0020.00516.84
8.0.200.0000.00616.82
8.0.190.0060.00316.88
8.0.180.0070.00016.86
8.0.170.0000.00816.91
8.0.160.0040.00416.87
8.0.150.0050.00216.74
8.0.140.0040.00416.84
8.0.130.0030.00313.23
8.0.120.0070.00016.68
8.0.110.0040.00416.83
8.0.100.0000.00716.95
8.0.90.0000.00716.71
8.0.80.0030.01616.86
8.0.70.0040.00416.91
8.0.60.0040.00416.82
8.0.50.0040.00416.84
8.0.30.0110.01317.27
8.0.20.0140.00517.40
8.0.10.0000.00816.79
8.0.00.0060.01316.78
7.4.330.0000.00515.00
7.4.320.0030.00316.35
7.4.300.0030.00316.53
7.4.290.0030.00316.57
7.4.280.0060.00616.44
7.4.270.0000.00716.39
7.4.260.0030.00316.46
7.4.250.0000.00716.49
7.4.240.0030.00316.46
7.4.230.0030.00316.65
7.4.220.0090.00916.45
7.4.210.0110.00616.60
7.4.200.0040.00416.64
7.4.190.0000.00716.62
7.4.160.0100.00516.25
7.4.150.0120.00617.40
7.4.140.0100.00817.86
7.4.130.0090.00916.53
7.4.120.0100.00716.47
7.4.110.0070.01016.37
7.4.100.0070.01016.42
7.4.90.0070.01016.40
7.4.80.0070.01419.39
7.4.70.0120.00316.51
7.4.60.0060.01016.36
7.4.50.0030.00616.55
7.4.40.0040.01422.77
7.4.30.0080.01416.66
7.4.00.0040.01114.80
7.3.330.0020.00212.98
7.3.320.0050.00013.11
7.3.310.0000.00616.19
7.3.300.0040.00416.23
7.3.290.0130.00716.17
7.3.280.0070.00816.17
7.3.270.0030.01317.40
7.3.260.0110.00816.38
7.3.250.0090.01116.50
7.3.240.0130.01016.43
7.3.230.0160.00316.39
7.3.210.0070.01016.45
7.3.200.0070.01119.39
7.3.190.0180.00316.72
7.3.180.0030.01316.28
7.3.170.0060.00916.27
7.3.160.0090.01116.05
7.3.120.0030.01214.61
7.3.110.0060.01314.37
7.3.100.0080.00814.77
7.3.90.0060.01314.96
7.3.80.0170.00014.60
7.3.70.0090.00614.72
7.3.60.0040.00814.75
7.3.50.0060.00914.79
7.3.40.0070.01014.61
7.3.30.0040.00414.43
7.3.20.0080.00816.66
7.3.10.0100.00716.55
7.3.00.0060.00616.61
7.2.330.0120.00616.73
7.2.320.0100.00716.47
7.2.310.0120.00616.25
7.2.300.0090.01316.43
7.2.290.0060.01216.43
7.2.240.0070.01114.60
7.2.230.0130.00715.07
7.2.220.0030.01614.84
7.2.210.0120.00315.08
7.2.200.0060.01214.91
7.2.190.0030.01015.00
7.2.180.0100.00715.08
7.2.170.0030.01314.89
7.2.160.0030.01314.90
7.2.150.0070.01016.91
7.2.140.0070.01016.95
7.2.130.0070.00716.79
7.2.120.0060.00916.72
7.2.110.0030.01116.88
7.2.100.0040.00816.82
7.2.90.0000.01316.82
7.2.80.0090.00616.80
7.2.70.0070.00716.85
7.2.60.0040.01416.85
7.2.50.0030.01316.78
7.2.40.0030.01316.66
7.2.30.0040.01116.71
7.2.20.0030.01316.88
7.2.10.0040.01016.73
7.2.00.0050.00817.92
7.1.330.0030.01215.48
7.1.320.0110.00815.88
7.1.310.0070.01015.84
7.1.300.0070.00715.98
7.1.290.0040.00715.89
7.1.280.0030.00915.90
7.1.270.0090.00615.74
7.1.260.0000.01015.86
7.1.250.0030.00715.80
7.1.100.0030.01017.88
7.1.70.0030.00717.14
7.1.60.0060.01919.29
7.1.50.0040.01816.95
7.1.00.0000.08022.45
7.0.200.0030.00516.95
7.0.140.0030.07322.18
7.0.90.0400.08019.96
7.0.80.0430.03719.97
7.0.70.0170.05320.01
7.0.60.0170.05320.06
7.0.50.0130.04720.31
7.0.40.0070.06719.95
7.0.30.0100.04320.15
7.0.20.0170.08020.13
7.0.10.0100.07319.95
7.0.00.0030.06720.10
5.6.280.0070.07021.14
5.6.240.0000.05320.66
5.6.230.0130.05720.65
5.6.220.0100.06320.48
5.6.210.0100.06320.64
5.6.200.0100.07321.03
5.6.190.0100.07721.00
5.6.180.0000.08021.03
5.6.170.0100.04320.95
5.6.160.0000.04720.96
5.6.150.0100.06321.00
5.6.140.0130.07721.04
5.6.130.0100.07321.04
5.6.120.0170.06321.02
5.6.110.0170.04720.92
5.6.100.0070.08021.15
5.6.90.0070.08721.03
5.6.80.0100.04020.32
5.6.70.0070.06720.31
5.6.60.0100.07320.37
5.6.50.0130.03320.38
5.6.40.0100.07720.29
5.6.30.0070.07720.30
5.6.20.0000.04720.46
5.6.10.0070.06020.45
5.6.00.0030.07720.41
5.5.380.0030.07720.36
5.5.370.0070.04020.45
5.5.360.0030.09020.30
5.5.350.0030.05020.45
5.5.340.0070.04020.87
5.5.330.0030.08720.86
5.5.320.0070.07720.92
5.5.310.0130.04020.89
5.5.300.0100.04320.82
5.5.290.0170.07020.64
5.5.280.0030.07320.75
5.5.270.0000.09020.82
5.5.260.0130.04020.82
5.5.250.0170.06020.68
5.5.240.0070.08020.14
5.5.230.0100.06320.02
5.5.220.0070.08320.28
5.5.210.0100.05020.23
5.5.200.0100.06320.27
5.5.190.0030.07020.23
5.5.180.0100.06320.14
5.5.160.0100.04720.07
5.5.150.0070.07720.23
5.5.140.0000.07020.24
5.5.130.0100.07320.14
5.5.120.0130.07020.23
5.5.110.0030.04320.23
5.5.100.0200.05020.16
5.5.90.0070.06720.12
5.5.80.0070.07720.09
5.5.70.0030.05020.14
5.5.60.0030.06320.14
5.5.50.0170.03720.04
5.5.40.0030.07720.04
5.5.30.0070.05320.14
5.5.20.0100.07720.09
5.5.10.0130.07020.08
5.5.00.0070.05020.09
5.4.450.0100.03319.35
5.4.440.0130.04319.38
5.4.430.0030.08719.36
5.4.420.0030.04719.26
5.4.410.0030.09019.14
5.4.400.0030.07718.98
5.4.390.0130.06319.05
5.4.380.0070.07719.09
5.4.370.0130.04718.90
5.4.360.0070.07719.14
5.4.350.0100.04019.12
5.4.340.0170.03319.11
5.4.320.0130.06018.96
5.4.310.0070.07718.90
5.4.300.0070.04019.12
5.4.290.0100.07719.03
5.4.280.0130.09019.03
5.4.270.0000.05318.96
5.4.260.0030.04319.24
5.4.250.0030.08019.05
5.4.240.0070.07019.14
5.4.230.0030.04319.04
5.4.220.0030.07319.07
5.4.210.0170.06318.80
5.4.200.0130.06719.11
5.4.190.0130.06319.06
5.4.180.0130.07319.03
5.4.170.0000.08018.93
5.4.160.0170.03319.10
5.4.150.0100.04318.88
5.4.140.0100.07316.31
5.4.130.0030.07316.22
5.4.120.0070.06316.28
5.4.110.0030.08316.41
5.4.100.0130.06016.21
5.4.90.0130.06716.20
5.4.80.0100.07016.19
5.4.70.0000.07716.43
5.4.60.0070.05016.28
5.4.50.0170.06316.40
5.4.40.0100.07016.34
5.4.30.0070.03716.19
5.4.20.0030.04716.20
5.4.10.0000.04716.18
5.4.00.0070.07315.68
5.3.290.0030.08014.76
5.3.280.0000.04314.76
5.3.270.0100.06714.77
5.3.260.0070.08014.68
5.3.250.0070.07714.63
5.3.240.0100.07314.63
5.3.230.0070.07714.61
5.3.220.0100.07314.71
5.3.210.0100.04714.69
5.3.200.0130.07314.70
5.3.190.0070.07714.74
5.3.180.0030.05714.66
5.3.170.0100.05714.59
5.3.160.0100.04014.54
5.3.150.0130.06714.67
5.3.140.0030.05314.65
5.3.130.0100.07014.56
5.3.120.0070.08014.61
5.3.110.0100.08014.56
5.3.100.0130.04014.06
5.3.90.0100.03714.03
5.3.80.0070.06714.14
5.3.70.0070.07013.95
5.3.60.0130.03713.91
5.3.50.0070.03714.04
5.3.40.0030.08314.04
5.3.30.0000.06314.08
5.3.20.0100.05713.79
5.3.10.0130.07713.81
5.3.00.0070.04013.79
5.2.170.0170.03311.30
5.2.160.0130.03311.32
5.2.150.0070.03311.25
5.2.140.0070.05711.22
5.2.130.0030.06311.25
5.2.120.0000.06711.07
5.2.110.0100.06011.27
5.2.100.0170.05011.32
5.2.90.0070.05711.32
5.2.80.0100.04311.25
5.2.70.0030.04711.24
5.2.60.0030.04311.20
5.2.50.0130.05310.99
5.2.40.0000.04711.20
5.2.30.0030.04011.09
5.2.20.0130.05010.96
5.2.10.0000.07011.04
5.2.00.0070.06010.93
5.1.60.0100.03010.04
5.1.50.0030.0379.82
5.1.40.0000.0339.81
5.1.30.0000.03310.39
5.1.20.0030.02710.27
5.1.10.0030.03310.06
5.1.00.0000.04010.11
5.0.50.0000.0408.39
5.0.40.0000.0478.47
5.0.30.0070.0608.21
5.0.20.0100.0238.24
5.0.10.0030.0408.02
5.0.00.0070.0578.16
4.4.90.0000.0337.14
4.4.80.0100.0277.14
4.4.70.0070.0337.14
4.4.60.0000.0237.14
4.4.50.0000.0377.14
4.4.40.0070.0377.14
4.4.30.0000.0337.14
4.4.20.0030.0277.14
4.4.10.0030.0377.14
4.4.00.0000.0577.14
4.3.110.0030.0237.14
4.3.100.0030.0337.14
4.3.90.0000.0337.14
4.3.80.0030.0307.14
4.3.70.0030.0277.14
4.3.60.0000.0177.14
4.3.50.0000.0337.14
4.3.40.0000.0237.14
4.3.30.0030.0177.14
4.3.20.0000.0137.14
4.3.10.0030.0137.14
4.3.00.0000.0137.14

preferences:
39.07 ms | 401 KiB | 5 Q