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)
8.3.60.0110.01118.30
8.3.50.0110.00522.01
8.3.40.0070.00718.71
8.3.30.0100.00319.10
8.3.20.0150.00419.96
8.3.10.0030.00523.52
8.3.00.0080.00022.52
8.2.180.0120.00618.13
8.2.170.0140.00022.96
8.2.160.0130.00322.26
8.2.150.0030.00524.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0030.00619.13
8.2.110.0000.00920.92
8.2.100.0060.00617.84
8.2.90.0000.00819.05
8.2.80.0040.00417.97
8.2.70.0090.00017.50
8.2.60.0000.00817.93
8.2.50.0040.00418.22
8.2.40.0040.00422.15
8.2.30.0000.00817.94
8.2.20.0040.00417.53
8.2.10.0080.00019.59
8.2.00.0000.00717.75
8.1.280.0070.00725.92
8.1.270.0000.00823.84
8.1.260.0000.00826.35
8.1.250.0000.00828.09
8.1.240.0090.00020.90
8.1.230.0110.00017.83
8.1.220.0030.00617.74
8.1.210.0080.00018.77
8.1.200.0000.00817.23
8.1.190.0030.00517.10
8.1.180.0050.00318.10
8.1.170.0060.00318.52
8.1.160.0040.00418.79
8.1.150.0070.00418.57
8.1.140.0070.00017.45
8.1.130.0040.00417.29
8.1.120.0040.00417.30
8.1.110.0030.00517.31
8.1.100.0000.00717.47
8.1.90.0030.00317.30
8.1.80.0000.00717.31
8.1.70.0000.00817.39
8.1.60.0040.00417.52
8.1.50.0040.00417.36
8.1.40.0080.00017.49
8.1.30.0060.00317.59
8.1.20.0040.00417.57
8.1.10.0080.00017.52
8.1.00.0040.00417.30
8.0.300.0030.00618.77
8.0.290.0080.00016.75
8.0.280.0040.00418.43
8.0.270.0070.00016.82
8.0.260.0030.00316.89
8.0.250.0000.00716.87
8.0.240.0000.01116.95
8.0.230.0030.00316.77
8.0.220.0030.00316.80
8.0.210.0030.00316.85
8.0.200.0050.00316.86
8.0.190.0030.00316.78
8.0.180.0040.00416.78
8.0.170.0040.00416.89
8.0.160.0000.00716.87
8.0.150.0000.00716.88
8.0.140.0030.00416.84
8.0.130.0000.00613.27
8.0.120.0030.00616.79
8.0.110.0090.00016.77
8.0.100.0050.00316.73
8.0.90.0030.00516.70
8.0.80.0100.00616.89
8.0.70.0000.00716.64
8.0.60.0030.00516.82
8.0.50.0000.00716.76
8.0.30.0140.00817.02
8.0.20.0150.01117.40
8.0.10.0000.00816.80
8.0.00.0140.00816.82
7.4.330.0050.00015.02
7.4.320.0070.00016.46
7.4.300.0060.00316.43
7.4.290.0050.00216.55
7.4.280.0070.00016.49
7.4.270.0030.00316.59
7.4.260.0000.00716.52
7.4.250.0060.00316.39
7.4.240.0010.00616.48
7.4.230.0060.00016.64
7.4.220.0030.01916.58
7.4.210.0060.01016.49
7.4.200.0030.00316.57
7.4.190.0040.00416.50
7.4.160.0040.01216.49
7.4.150.0120.00417.40
7.4.140.0070.01017.86
7.4.130.0160.00516.48
7.4.120.0100.00616.54
7.4.110.0110.00716.65
7.4.100.0130.00616.33
7.4.90.0100.00716.45
7.4.80.0090.00816.61
7.4.70.0120.00416.28
7.4.60.0100.00716.47
7.4.50.0000.00716.50
7.4.40.0120.00022.77
7.4.30.0150.00616.45
7.4.00.0040.01214.99
7.3.330.0030.00212.97
7.3.320.0050.00013.05
7.3.310.0000.00716.14
7.3.300.0060.00016.18
7.3.290.0060.01316.18
7.3.280.0060.01016.19
7.3.270.0060.01317.40
7.3.260.0040.01416.31
7.3.250.0140.00616.39
7.3.240.0080.00916.38
7.3.230.0100.00616.39
7.3.210.0070.01016.19
7.3.200.0030.02219.39
7.3.190.0160.00316.16
7.3.180.0130.00316.27
7.3.170.0030.01316.27
7.3.160.0060.00916.32
7.3.120.0000.01414.70
7.2.330.0090.00916.38
7.2.320.0100.00716.43
7.2.310.0120.00416.57
7.2.300.0060.01016.65
7.2.290.0050.01116.44
7.2.00.0030.00919.15
7.1.100.0070.00718.03
7.1.70.0070.00417.18
7.1.60.0070.01719.24
7.1.50.0120.00916.90
7.1.00.0100.07022.43
7.0.200.0000.01016.73
7.0.140.0030.07322.12
7.0.90.0100.05320.02
7.0.80.0100.06319.88
7.0.70.0570.07019.87
7.0.60.0530.05320.02
7.0.50.0370.07320.30
7.0.40.0100.07720.08
7.0.30.0100.08320.04
7.0.20.0070.08020.11
7.0.10.0070.05320.14
7.0.00.0000.06320.09
5.6.280.0030.07320.85
5.6.240.0100.08720.66
5.6.230.0130.07720.50
5.6.220.0030.08020.57
5.6.210.0170.07320.56
5.6.200.0230.06321.09
5.6.190.0100.03720.98
5.6.180.0070.05021.04
5.6.170.0070.07021.08
5.6.160.0030.08021.08
5.6.150.0030.04720.95
5.6.140.0130.07021.16
5.6.130.0070.08720.95
5.6.120.0130.08020.96
5.6.110.0030.08321.00
5.6.100.0130.06321.09
5.6.90.0070.05021.14
5.6.80.0130.07720.50
5.6.70.0130.08020.46
5.6.60.0130.06720.41
5.6.50.0070.07020.49
5.6.40.0030.08720.29
5.6.30.0100.05020.31
5.6.20.0100.07720.33
5.6.10.0100.06720.38
5.6.00.0100.06720.41
5.5.380.0170.07320.39
5.5.370.0000.05320.36
5.5.360.0100.03720.32
5.5.350.0100.07320.38
5.5.340.0030.06020.87
5.5.330.0070.04020.92
5.5.320.0100.08020.86
5.5.310.0130.05020.86
5.5.300.0130.05320.92
5.5.290.0170.07020.83
5.5.280.0030.05020.62
5.5.270.0030.08720.88
5.5.260.0100.08020.63
5.5.250.0170.07720.43
5.5.240.0070.04720.25
5.5.230.0170.06320.20
5.5.220.0170.07320.25
5.5.210.0130.05320.11
5.5.200.0070.08020.27
5.5.190.0030.08020.20
5.5.180.0030.06320.23
5.5.160.0070.06020.27
5.5.150.0030.08020.17
5.5.140.0070.06020.10
5.5.130.0130.07020.20
5.5.120.0100.04020.21
5.5.110.0070.06720.10
5.5.100.0070.07320.10
5.5.90.0070.08019.94
5.5.80.0070.08020.09
5.5.70.0100.06020.14
5.5.60.0070.05719.93
5.5.50.0100.04320.13
5.5.40.0100.07720.09
5.5.30.0030.07320.07
5.5.20.0030.08320.09
5.5.10.0030.05720.13
5.5.00.0030.06020.12
5.4.450.0070.08319.14
5.4.440.0030.08319.35
5.4.430.0100.08319.22
5.4.420.0030.05319.55
5.4.410.0130.06719.16
5.4.400.0030.05319.03
5.4.390.0200.06719.06
5.4.380.0070.06018.98
5.4.370.0030.05718.97
5.4.360.0070.07318.93
5.4.350.0130.06719.02
5.4.340.0070.04719.05
5.4.320.0170.04019.12
5.4.310.0070.04719.23
5.4.300.0030.05019.25
5.4.290.0030.05319.04
5.4.280.0070.06019.11
5.4.270.0030.06019.02
5.4.260.0070.07719.23
5.4.250.0100.07719.07
5.4.240.0030.08319.11
5.4.230.0100.04319.05
5.4.220.0130.07018.96
5.4.210.0130.07318.83
5.4.200.0030.04719.14
5.4.190.0030.04719.04
5.4.180.0100.07319.06
5.4.170.0070.07719.10
5.4.160.0100.07319.02
5.4.150.0200.06718.95
5.4.140.0100.07016.32
5.4.130.0070.05316.31
5.4.120.0170.04316.31
5.4.110.0170.06016.48
5.4.100.0070.07016.21
5.4.90.0170.06016.43
5.4.80.0100.07316.36
5.4.70.0070.04316.40
5.4.60.0030.04316.42
5.4.50.0130.04016.39
5.4.40.0070.06316.33
5.4.30.0030.04316.18
5.4.20.0070.07016.38
5.4.10.0030.05316.41
5.4.00.0000.04015.52
5.3.290.0100.07714.82
5.3.280.0100.08014.75
5.3.270.0130.07014.73
5.3.260.0070.08014.72
5.3.250.0030.08314.78
5.3.240.0000.09014.73
5.3.230.0070.07014.63
5.3.220.0070.05714.72
5.3.210.0070.07714.64
5.3.200.0000.06314.68
5.3.190.0100.07314.69
5.3.180.0070.07714.59
5.3.170.0100.06714.67
5.3.160.0100.07314.73
5.3.150.0070.06014.72
5.3.140.0070.05714.58
5.3.130.0030.06714.72
5.3.120.0070.05014.67
5.3.110.0100.07714.69
5.3.100.0070.07714.05
5.3.90.0030.08314.15
5.3.80.0100.06714.17
5.3.70.0030.05014.17
5.3.60.0130.06314.12
5.3.50.0130.07014.07
5.3.40.0170.06014.07
5.3.30.0030.07314.07
5.3.20.0170.05713.84
5.3.10.0070.06313.82
5.3.00.0100.06313.80
5.2.170.0130.06311.17
5.2.160.0030.06311.30
5.2.150.0070.06011.17
5.2.140.0100.06011.13
5.2.130.0070.05711.13
5.2.120.0070.05711.32
5.2.110.0070.06011.25
5.2.100.0030.04711.05
5.2.90.0070.06311.13
5.2.80.0030.06711.12
5.2.70.0100.05711.20
5.2.60.0130.06011.27
5.2.50.0100.05011.16
5.2.40.0070.06011.16
5.2.30.0000.06011.05
5.2.20.0030.07010.97
5.2.10.0030.06710.93
5.2.00.0070.05710.83
5.1.60.0030.0509.98
5.1.50.0100.03010.04
5.1.40.0030.0439.80
5.1.30.0000.06010.39
5.1.20.0030.06010.37
5.1.10.0000.05310.15
5.1.00.0070.0509.90
5.0.50.0030.0379.72
5.0.40.0070.0309.72
5.0.30.0000.0539.72
5.0.20.0070.0409.72
5.0.10.0100.0379.72
5.0.00.0070.0539.72
4.4.90.0030.0339.72
4.4.80.0000.0409.72
4.4.70.0030.0279.72
4.4.60.0000.0379.72
4.4.50.0000.0379.72
4.4.40.0030.0579.72
4.4.30.0030.0379.72
4.4.20.0030.0339.72
4.4.10.0030.0379.72
4.4.00.0100.0309.72
4.3.110.0000.0279.72
4.3.100.0000.0279.72
4.3.90.0030.0339.72
4.3.80.0030.0539.72
4.3.70.0000.0379.72
4.3.60.0030.0339.72
4.3.50.0030.0339.72
4.3.40.0000.0539.72
4.3.30.0030.0279.72
4.3.20.0000.0379.72
4.3.10.0030.0379.72
4.3.00.0030.0339.72

preferences:
46.49 ms | 401 KiB | 5 Q