3v4l.org

run code in 300+ PHP versions simultaneously
<?php if (!function_exists('json_encode')) { function json_encode($it) { if (!($assoc = is_object($it)) && !is_array($it)) { return _js_enc_value($it); } $i = 0; $it = (array)$it; if (!$assoc) { foreach ($it as $k => $v) { if ($k !== $i) { $assoc = true; break; } $i++; } } $data = array(); foreach ($it as $k => $v) { $v = _js_enc_value($v); if ($assoc) { $k = _js_enc_value($k); $data[] = $k . ':' . $v; } else { $data[] = $v; } } if ($assoc) { $bl = '{'; $br = '}'; } else { $bl = '['; $br = ']'; } return $bl . implode(',', $data) . $br; } function _js_enc_value($value) { switch (true) { case is_array($value): case is_object($value): return json_encode($value); case is_bool($value): return $value ? 'true' : 'false'; case $value === null: case is_resource($value) && _js_error(): return 'null'; case is_string($value): return '"' . _js_uc_esc($value) . '"'; default: return $value; } } function _js_error() { return trigger_error( 'json_encode(): type is unsupported, encoded as null', E_USER_WARNING ); } function _js_uc_esc($value) { $pattern = "@[\r\n\"'/]|([^\x09\x0A\x0D\x20-\x7E]{3})+@"; return preg_replace_callback($pattern, '_js_uc_esc_cb', $value); } function _js_uc_esc_cb($matches) { switch (true) { case isset($matches[1]): $char = mb_convert_encoding($matches[0], 'UTF-16', 'UTF-8'); $str = ''; $len = strlen($char); for ($i = 0; $i < $len; $i += 2) { $str .= sprintf('\\u%02x%02x', ord($char[$i]), ord($char[$i + 1]) ); } return $str; default: return addcslashes($matches[0], "\r\n\"'/"); } } } echo json_encode(array('&/"\''=>"\0\a\b\f\n\r\t\v"));

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)
8.3.60.0110.00716.61
8.3.50.0190.01221.97
8.3.40.0030.01218.63
8.3.30.0110.00418.96
8.3.20.0070.00020.34
8.3.10.0080.00023.61
8.3.00.0050.00517.36
8.2.180.0110.00418.26
8.2.170.0120.00922.96
8.2.160.0030.01020.52
8.2.150.0000.00824.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0040.00422.25
8.2.110.0070.00322.26
8.2.100.0070.00417.66
8.2.90.0060.00319.09
8.2.80.0080.00017.97
8.2.70.0040.00417.49
8.2.60.0000.00817.80
8.2.50.0040.00418.10
8.2.40.0080.00018.07
8.2.30.0040.00418.02
8.2.20.0040.00417.73
8.2.10.0040.00418.00
8.2.00.0000.00917.67
8.1.280.0080.00625.92
8.1.270.0040.00422.14
8.1.260.0080.00026.35
8.1.250.0000.00928.09
8.1.240.0060.00324.01
8.1.230.0110.00017.51
8.1.220.0000.00817.74
8.1.210.0030.00518.77
8.1.200.0080.00017.35
8.1.190.0040.00417.10
8.1.180.0000.00818.10
8.1.170.0030.00718.62
8.1.160.0070.00322.05
8.1.150.0040.00418.63
8.1.140.0050.00317.54
8.1.130.0070.00017.74
8.1.120.0000.00717.44
8.1.110.0070.00017.33
8.1.100.0030.00417.36
8.1.90.0040.00417.45
8.1.80.0040.00417.41
8.1.70.0030.00317.39
8.1.60.0040.00417.62
8.1.50.0060.00317.51
8.1.40.0040.00417.54
8.1.30.0000.00817.45
8.1.20.0000.00817.55
8.1.10.0000.00717.50
8.1.00.0030.00517.36
8.0.300.0000.00818.77
8.0.290.0070.00016.88
8.0.280.0000.00718.52
8.0.270.0070.00017.26
8.0.260.0070.00017.25
8.0.250.0070.00016.83
8.0.240.0000.00816.93
8.0.230.0030.00316.94
8.0.220.0050.00216.91
8.0.210.0000.00816.93
8.0.200.0000.00716.92
8.0.190.0000.00816.96
8.0.180.0000.00716.90
8.0.170.0040.00416.89
8.0.160.0000.00816.77
8.0.150.0000.00716.73
8.0.140.0000.00716.77
8.0.130.0060.00013.25
8.0.120.0040.00416.89
8.0.110.0050.00316.90
8.0.100.0080.00016.91
8.0.90.0000.00816.72
8.0.80.0030.01216.88
8.0.70.0050.00316.91
8.0.60.0000.00816.89
8.0.50.0000.00716.78
8.0.30.0090.01017.09
8.0.20.0080.01117.40
8.0.10.0080.00017.07
8.0.00.0090.00916.77
7.4.330.0040.00415.00
7.4.320.0000.00616.58
7.4.300.0060.00016.41
7.4.290.0030.00516.43
7.4.280.0000.00716.36
7.4.270.0050.00216.59
7.4.260.0070.00016.55
7.4.250.0000.00816.42
7.4.240.0060.00216.55
7.4.230.0000.00716.53
7.4.220.0160.00616.39
7.4.210.0080.00716.57
7.4.200.0000.00816.47
7.4.190.0000.00716.41
7.4.160.0070.01516.62
7.4.150.0140.00317.40
7.4.140.0090.00917.86
7.4.130.0100.00716.43
7.4.120.0090.00816.41
7.4.110.0100.00716.50
7.4.100.0100.00716.73
7.4.90.0100.00716.33
7.4.80.0120.00919.39
7.4.70.0090.00616.40
7.4.60.0110.00816.43
7.4.50.0040.00016.51
7.4.40.0060.01022.77
7.4.30.0080.00816.54
7.4.00.0030.01214.77
7.3.330.0030.00313.15
7.3.320.0000.00813.04
7.3.310.0000.00716.14
7.3.300.0030.00316.25
7.3.290.0070.00716.25
7.3.280.0120.00716.23
7.3.270.0070.01017.40
7.3.260.0070.01116.55
7.3.250.0160.00616.38
7.3.240.0100.00616.23
7.3.230.0060.01216.45
7.3.210.0100.00716.30
7.3.200.0160.00619.39
7.3.190.0010.00116.32
7.3.180.0100.00616.56
7.3.170.0150.00816.42
7.3.160.0080.00816.27
7.3.120.0090.00617.15
7.3.110.0100.00717.15
7.3.100.0100.00717.15
7.3.90.0040.01217.15
7.3.80.0030.01317.15
7.3.70.0100.00717.15
7.3.60.0070.00717.15
7.3.50.0000.01417.15
7.3.40.0060.01017.15
7.3.30.0060.00917.15
7.3.20.0060.00617.15
7.3.10.0090.00716.67
7.3.00.0060.00916.57
7.2.330.0070.01016.61
7.2.320.0120.00616.33
7.2.310.0080.00916.32
7.2.300.0150.00716.24
7.2.290.0130.00316.55
7.2.240.0000.01817.15
7.2.230.0040.00717.15
7.2.220.0030.01017.15
7.2.210.0060.01017.15
7.2.200.0090.00617.15
7.2.190.0040.00717.15
7.2.180.0070.00717.15
7.2.170.0040.00717.15
7.2.160.0090.00617.15
7.2.150.0060.00917.15
7.2.140.0030.01517.15
7.2.130.0070.00916.72
7.2.120.0100.00616.79
7.2.110.0090.00716.66
7.2.100.0060.01016.72
7.2.90.0080.01016.83
7.2.80.0070.01016.61
7.2.70.0090.00916.64
7.2.60.0080.00816.77
7.2.50.0090.00716.69
7.2.40.0120.00816.63
7.2.30.0080.00916.85
7.2.20.0090.00816.69
7.2.10.0050.01216.75
7.2.00.0090.01017.42
7.1.330.0090.00617.15
7.1.320.0070.00717.15
7.1.310.0100.00317.15
7.1.300.0070.00717.15
7.1.290.0090.00617.15
7.1.280.0060.00917.15
7.1.270.0110.00317.15
7.1.260.0060.01217.15
7.1.250.0080.00616.16
7.1.240.0070.00715.81
7.1.230.0070.00315.50
7.1.220.0030.01015.74
7.1.210.0120.00015.70
7.1.200.0030.00915.56
7.1.190.0040.00715.64
7.1.180.0030.00615.61
7.1.170.0070.00315.47
7.1.160.0000.00815.80
7.1.150.0050.00515.73
7.1.140.0070.00715.57
7.1.130.0030.00715.65
7.1.120.0000.01115.62
7.1.110.0080.00415.74
7.1.100.0040.00616.84
7.1.90.0070.00315.51
7.1.80.0070.00315.86
7.1.70.0020.00916.23
7.1.60.0050.01117.52
7.1.50.0090.01525.14
7.1.40.0000.01415.25
7.1.30.0060.00615.55
7.1.20.0060.00615.59
7.1.10.0080.00415.64
7.1.00.0020.04218.94
7.0.330.0040.00715.00
7.0.320.0030.00915.24
7.0.310.0050.00515.28
7.0.300.0000.01115.35
7.0.290.0040.00815.02
7.0.280.0040.00815.35
7.0.270.0000.01114.99
7.0.260.0000.01215.17
7.0.250.0060.00315.16
7.0.240.0030.00615.45
7.0.230.0040.00715.48
7.0.220.0040.00715.18
7.0.210.0040.00415.28
7.0.200.0070.00316.15
7.0.190.0000.00815.13
7.0.180.0030.00615.34
7.0.170.0060.00615.37
7.0.160.0040.00815.13
7.0.150.0030.00915.32
7.0.140.0050.03818.70
7.0.130.0030.00915.50
7.0.120.0040.01114.99
7.0.110.0070.00315.17
7.0.100.0090.00315.18
7.0.90.0280.02317.57
7.0.80.0180.02217.67
7.0.70.0150.04617.56
7.0.60.0370.01517.68
7.0.50.0200.03617.75
7.0.40.0020.03616.71
7.0.30.0050.03316.68
7.0.20.0010.03416.72
7.0.10.0050.04816.79
7.0.00.0070.03016.77
5.6.380.0030.00914.18
5.6.370.0030.00914.29
5.6.360.0090.00314.05
5.6.350.0000.01414.33
5.6.340.0040.00414.38
5.6.330.0070.00414.14
5.6.320.0070.00314.05
5.6.310.0090.00314.59
5.6.300.0060.00314.11
5.6.290.0060.00614.41
5.6.280.0080.03717.74
5.6.270.0000.01114.24
5.6.260.0030.00713.92
5.6.250.0000.01314.25
5.6.240.0020.03817.47
5.6.230.0070.02417.43
5.6.220.0030.02117.27
5.6.210.0090.01617.36
5.6.200.0000.05217.81
5.6.190.0050.04317.56
5.6.180.0080.02317.75
5.6.170.0100.04017.74
5.6.160.0030.02617.70
5.6.150.0120.03717.54
5.6.140.0030.03017.67
5.6.130.0050.04017.66
5.6.120.0030.04817.78
5.6.110.0100.03117.72
5.6.100.0050.04317.63
5.6.90.0020.04217.78
5.6.80.0090.02517.22
5.6.70.0140.01817.36
5.6.60.0100.02017.30
5.6.50.0030.03517.32
5.6.40.0030.03017.33
5.6.30.0070.03517.28
5.6.20.0050.04217.29
5.6.10.0100.04217.35
5.6.00.0110.04317.29
5.5.380.0030.02215.71
5.5.370.0070.02815.73
5.5.360.0000.04915.67
5.5.350.0000.03715.76
5.5.340.0070.02515.89
5.5.330.0110.03515.88
5.5.320.0050.04016.00
5.5.310.0070.04216.05
5.5.300.0130.03115.87
5.5.290.0060.04416.00
5.5.280.0120.03715.95
5.5.270.0100.04115.93
5.5.260.0070.03715.97
5.5.250.0070.03416.06
5.5.240.0100.04015.71
5.5.230.0060.02115.76
5.5.220.0020.04715.62
5.5.210.0100.03815.66
5.5.200.0150.03815.64
5.5.190.0100.04215.61
5.5.180.0080.03715.73
5.5.170.0000.01111.18
5.5.160.0060.02815.69
5.5.150.0050.02715.66
5.5.140.0050.03515.55
5.5.130.0030.03315.73
5.5.120.0070.04015.59
5.5.110.0030.02615.73
5.5.100.0030.04215.54
5.5.90.0070.04515.48
5.5.80.0090.03215.66
5.5.70.0080.02215.44
5.5.60.0080.04015.57
5.5.50.0080.03315.58
5.5.40.0030.02915.54
5.5.30.0010.03115.52
5.5.20.0050.04415.49
5.5.10.0050.04215.47
5.5.00.0060.04215.47
5.4.450.0100.04215.04
5.4.440.0110.03815.06
5.4.430.0080.02815.35
5.4.420.0030.03015.14
5.4.410.0090.03815.08
5.4.400.0050.03115.00
5.4.390.0020.04415.08
5.4.380.0100.03814.94
5.4.370.0030.02815.00
5.4.360.0100.01915.09
5.4.350.0030.04414.97
5.4.340.0020.04414.99
5.4.330.0000.00911.09
5.4.320.0080.03715.10
5.4.310.0090.03815.08
5.4.300.0030.02715.09
5.4.290.0080.04014.90
5.4.280.0020.02514.96
5.4.270.0090.01815.09
5.4.260.0030.02415.05
5.4.250.0030.04415.06
5.4.240.0030.02514.99
5.4.230.0080.04214.97
5.4.220.0070.02014.87
5.4.210.0030.03015.05
5.4.200.0050.04015.06
5.4.190.0030.03914.97
5.4.180.0080.03114.99
5.4.170.0040.02415.01
5.4.160.0050.04114.92
5.4.150.0070.04515.04
5.4.140.0100.03713.67
5.4.130.0010.04113.66
5.4.120.0050.02213.66
5.4.110.0070.02713.76
5.4.100.0080.04213.76
5.4.90.0070.03513.66
5.4.80.0020.02313.81
5.4.70.0060.02013.66
5.4.60.0050.01913.62
5.4.50.0000.02713.67
5.4.40.0050.02313.64
5.4.30.0030.02413.75
5.4.20.0070.02813.74
5.4.10.0100.03813.71
5.4.00.0050.04013.43
5.3.290.0090.04012.84
5.3.280.0020.02712.77
5.3.270.0020.04412.73
5.3.260.0020.04412.79
5.3.250.0000.04912.77
5.3.240.0090.03412.79
5.3.230.0020.03012.83
5.3.220.0020.04312.78
5.3.210.0070.02712.81
5.3.200.0100.04212.76
5.3.190.0030.03212.75
5.3.180.0060.03112.74
5.3.170.0070.02312.73
5.3.160.0080.01812.71
5.3.150.0030.02812.71
5.3.140.0070.01712.72
5.3.130.0050.02312.76
5.3.120.0050.03012.77
5.3.110.0080.02112.73
5.3.100.0030.03412.45
5.3.90.0020.02712.48
5.3.80.0100.03412.44
5.3.70.0050.03812.47
5.3.60.0050.02212.47
5.3.50.0050.04012.51
5.3.40.0050.03812.48
5.3.30.0050.04312.48
5.3.20.0030.04212.29
5.3.10.0070.03112.28
5.3.00.0100.03512.29
5.2.170.0080.03111.04
5.2.160.0030.02311.04
5.2.150.0040.01911.07
5.2.140.0130.03211.08
5.2.130.0000.03811.09
5.2.120.0030.03311.02
5.2.110.0030.03611.04
5.2.100.0050.02311.04
5.2.90.0050.03211.03
5.2.80.0000.02910.95
5.2.70.0030.03711.02
5.2.60.0020.03411.01
5.2.50.0030.02211.04
5.2.40.0090.02710.99
5.2.30.0050.03110.99
5.2.20.0000.03410.97
5.2.10.0050.02710.96
5.2.00.0010.02310.89
5.1.60.0050.01510.46
5.1.50.0040.02710.50
5.1.40.0030.03010.38
5.1.30.0020.02210.63
5.1.20.0040.02810.60
5.1.10.0050.03010.55
5.1.00.0020.02910.54
5.0.50.0000.0259.67
5.0.40.0000.0289.70
5.0.30.0040.0329.64
5.0.20.0020.0219.61
5.0.10.0030.0239.61
5.0.00.0080.0339.60
4.4.90.0070.0159.05
4.4.80.0020.0189.05
4.4.70.0000.0149.05
4.4.60.0010.0159.05
4.4.50.0020.0179.05
4.4.40.0030.0279.05
4.4.30.0000.0179.05
4.4.20.0020.0159.05
4.4.10.0010.0209.05
4.4.00.0070.0239.05
4.3.110.0020.0209.05
4.3.100.0000.0229.05
4.3.90.0030.0109.05
4.3.80.0000.0209.05
4.3.70.0020.0139.05
4.3.60.0030.0189.05
4.3.50.0030.0149.05
4.3.40.0000.0299.05
4.3.30.0020.0149.05
4.3.20.0000.0159.05
4.3.10.0020.0129.05
4.3.00.0050.0179.05

preferences:
41.12 ms | 401 KiB | 5 Q