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) { $pattern = "@[\a\b\f\n\r\t\v\"'/]|([^\\0\x09\x0A\x0D\x20-\x7E]{3})+@"; return preg_replace_callback($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], "\a\b\f\n\r\t\v\"'/"); } } } 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)
8.3.60.0100.01018.56
8.3.50.0120.00721.90
8.3.40.0090.00618.85
8.3.30.0090.00919.04
8.3.20.0040.00420.16
8.3.10.0110.00423.52
8.3.00.0000.00821.02
8.2.180.0000.01716.63
8.2.170.0140.00022.96
8.2.160.0040.01120.36
8.2.150.0080.00024.18
8.2.140.0000.00724.66
8.2.130.0090.00626.16
8.2.120.0050.00320.97
8.2.110.0030.00622.26
8.2.100.0060.00617.84
8.2.90.0000.00819.14
8.2.80.0040.00417.97
8.2.70.0090.00017.50
8.2.60.0000.01117.80
8.2.50.0080.00018.07
8.2.40.0000.00920.01
8.2.30.0000.00718.31
8.2.20.0050.00217.78
8.2.10.0050.00317.94
8.2.00.0040.00417.67
8.1.280.0120.00325.92
8.1.270.0130.00324.04
8.1.260.0100.00326.35
8.1.250.0070.00028.09
8.1.240.0060.00323.95
8.1.230.0080.00319.14
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0030.00617.23
8.1.190.0060.00317.13
8.1.180.0080.00018.10
8.1.170.0040.00418.64
8.1.160.0000.00722.08
8.1.150.0040.00418.67
8.1.140.0000.00717.48
8.1.130.0030.00517.87
8.1.120.0050.00317.50
8.1.110.0030.00517.43
8.1.100.0000.00717.47
8.1.90.0030.00517.35
8.1.80.0040.00417.38
8.1.70.0000.00717.45
8.1.60.0090.00017.49
8.1.50.0000.00817.55
8.1.40.0080.00017.49
8.1.30.0040.00417.55
8.1.20.0020.00517.48
8.1.10.0020.00517.38
8.1.00.0000.00817.29
8.0.300.0050.00218.77
8.0.290.0040.00417.28
8.0.280.0000.00718.45
8.0.270.0040.00417.24
8.0.260.0030.00617.20
8.0.250.0070.00016.84
8.0.240.0030.00316.91
8.0.230.0000.00816.97
8.0.220.0040.00416.80
8.0.210.0030.00616.93
8.0.200.0040.00416.95
8.0.190.0040.00416.96
8.0.180.0040.00416.85
8.0.170.0040.00416.90
8.0.160.0050.00216.75
8.0.150.0050.00316.86
8.0.140.0000.00916.88
8.0.130.0040.00413.35
8.0.120.0000.00816.84
8.0.110.0070.00016.77
8.0.100.0000.00716.78
8.0.90.0000.00816.89
8.0.80.0000.01516.92
8.0.70.0000.00716.70
8.0.60.0000.00716.77
8.0.50.0070.00016.89
8.0.30.0100.00917.09
8.0.20.0160.00717.40
8.0.10.0040.00416.99
8.0.00.0130.00816.79
7.4.330.0050.00015.00
7.4.320.0040.00416.54
7.4.300.0000.00716.60
7.4.290.0000.00716.54
7.4.280.0070.00016.48
7.4.270.0030.00316.61
7.4.260.0000.00716.44
7.4.250.0040.00416.43
7.4.240.0020.00516.45
7.4.230.0050.00216.31
7.4.220.0030.01416.47
7.4.210.0120.00416.42
7.4.200.0000.00716.38
7.4.160.0070.00716.30
7.4.150.0140.00417.40
7.4.140.0120.00817.86
7.4.130.0150.00516.50
7.4.120.0050.01116.42
7.4.110.0100.00616.56
7.4.100.0060.01216.41
7.4.90.0030.02016.53
7.4.80.0090.01219.39
7.4.70.0120.01216.52
7.4.60.0130.00616.45
7.4.50.0060.00316.40
7.4.40.0060.01016.39
7.4.30.0090.00616.47
7.4.00.0030.01014.79
7.3.330.0000.00513.23
7.3.320.0040.00413.20
7.3.310.0030.00316.28
7.3.300.0030.00316.13
7.3.290.0170.00316.30
7.3.280.0090.01116.21
7.3.270.0030.01417.40
7.3.260.0130.00616.37
7.3.250.0110.00816.29
7.3.240.0090.00616.51
7.3.230.0090.00916.58
7.3.210.0130.00616.32
7.3.200.0050.01119.39
7.3.190.0130.01016.40
7.3.180.0070.01016.37
7.3.170.0100.01016.27
7.3.160.0060.01316.52
7.3.120.0060.01014.59
7.3.110.0030.01315.02
7.3.100.0120.00614.57
7.3.90.0030.01015.11
7.3.80.0120.00614.79
7.3.70.0070.01014.63
7.3.60.0060.01014.88
7.3.50.0030.00614.88
7.3.40.0040.01114.48
7.3.30.0070.01114.55
7.3.20.0030.01016.66
7.3.10.0030.01216.63
7.3.00.0050.01116.63
7.2.330.0120.00616.69
7.2.320.0120.00816.35
7.2.310.0100.01316.21
7.2.300.0090.00616.59
7.2.290.0060.01216.61
7.2.250.0030.01715.13
7.2.240.0110.00414.68
7.2.230.0090.00614.79
7.2.220.0080.00814.80
7.2.210.0090.00615.06
7.2.200.0070.00314.70
7.2.190.0030.01115.07
7.2.180.0030.01614.60
7.2.170.0070.01115.00
7.2.130.0000.01616.83
7.2.120.0040.00816.75
7.2.110.0040.00716.69
7.2.100.0040.01116.96
7.2.90.0090.00616.66
7.2.80.0000.01116.57
7.2.70.0060.00916.89
7.2.60.0090.00516.76
7.2.50.0070.00416.99
7.2.40.0120.00016.73
7.2.30.0030.00616.98
7.2.20.0100.00316.82
7.2.10.0000.01416.54
7.2.00.0050.01018.06
7.1.330.0110.00415.55
7.1.320.0100.00315.73
7.1.310.0030.00915.77
7.1.300.0070.00415.32
7.1.290.0060.00615.66
7.1.280.0000.01715.66
7.1.270.0030.01115.57
7.1.260.0070.00315.80
7.1.250.0000.00915.50
7.1.200.0180.00015.65
7.1.100.0040.00817.82
7.1.70.0030.00617.16
7.1.60.0040.02119.70
7.1.50.0100.01616.87
7.1.00.0070.07322.48
7.0.200.0020.00516.72
7.0.140.0030.07322.21
7.0.110.0370.08319.88
7.0.100.0270.07019.90
7.0.90.0900.08319.90
7.0.80.0530.07319.89
7.0.70.0370.07720.00
7.0.60.0200.08019.86
7.0.50.0300.08720.31
7.0.40.0070.08020.14
7.0.30.0070.07320.20
7.0.20.0100.05720.20
7.0.10.0100.07319.97
7.0.00.0100.08320.20
5.6.280.0030.07320.84
5.6.250.0100.07720.71
5.6.240.0100.04320.54
5.6.230.0200.07320.66
5.6.220.0170.07020.50
5.6.210.0130.07720.59
5.6.200.0100.08721.11
5.6.190.0200.08021.05
5.6.180.0070.08021.02
5.6.170.0070.08321.23
5.6.160.0070.07321.25
5.6.150.0030.05321.19
5.6.140.0200.06020.91
5.6.130.0170.07021.05
5.6.120.0130.08021.11
5.6.110.0070.05321.08
5.6.100.0100.07720.95
5.6.90.0130.04720.88
5.6.80.0170.07720.34
5.6.70.0100.06720.40
5.6.60.0030.08020.52
5.6.50.0030.08320.58
5.6.40.0170.05720.25
5.6.30.0000.08320.38
5.6.20.0030.06320.54
5.6.10.0030.04320.40
5.6.00.0030.04020.24
5.5.380.0100.08020.25
5.5.370.0200.07320.26
5.5.360.0130.08020.47
5.5.350.0070.05020.39
5.5.340.0130.07720.75
5.5.330.0130.07720.91
5.5.320.0200.07320.69
5.5.310.0100.08020.98
5.5.300.0070.08020.77
5.5.290.0030.05020.94
5.5.280.0030.05320.95
5.5.270.0100.08020.96
5.5.260.0030.07320.80
5.5.250.0070.06320.59
5.5.240.0100.04720.13
5.5.230.0100.07320.08
5.5.220.0030.04020.24
5.5.210.0100.07020.18
5.5.200.0170.07020.34
5.5.190.0030.05320.27
5.5.180.0200.06720.02
5.5.160.0070.07720.30
5.5.150.0000.05320.00
5.5.140.0100.07320.18
5.5.130.0130.07320.27
5.5.120.0100.07020.20
5.5.110.0070.08020.09
5.5.100.0070.05020.02
5.5.90.0100.05020.12
5.5.80.0100.07320.17
5.5.70.0170.06720.15
5.5.60.0030.08020.03
5.5.50.0100.07720.13
5.5.40.0070.07319.91
5.5.30.0100.08019.95
5.5.20.0170.06720.10
5.5.10.0100.07019.90
5.5.00.0130.07320.20
5.4.450.0130.05019.42
5.4.440.0000.08019.52
5.4.430.0070.07719.47
5.4.420.0170.06719.33
5.4.410.0200.06719.39
5.4.400.0070.07319.10
5.4.390.0130.06719.24
5.4.380.0100.07019.24
5.4.370.0200.06319.09
5.4.360.0070.04719.20
5.4.350.0100.06719.23
5.4.340.0070.06319.02
5.4.320.0070.07719.15
5.4.310.0030.04718.99
5.4.300.0000.08019.28
5.4.290.0200.06719.00
5.4.280.0100.05719.02
5.4.270.0130.07019.00
5.4.260.0070.08018.98
5.4.250.0070.07319.14
5.4.240.0030.08018.98
5.4.230.0030.08019.16
5.4.220.0030.08319.23
5.4.210.0030.06318.94
5.4.200.0070.07319.00
5.4.190.0070.06018.98
5.4.180.0100.07318.97
5.4.170.0000.05019.14
5.4.160.0100.04719.13
5.4.150.0100.07318.93
5.4.140.0170.06716.59
5.4.130.0030.06016.50
5.4.120.0030.08016.50
5.4.110.0030.07316.62
5.4.100.0070.07316.64
5.4.90.0170.06316.43
5.4.80.0070.07016.63
5.4.70.0070.07016.59
5.4.60.0100.04016.50
5.4.50.0130.07016.46
5.4.40.0070.07316.50
5.4.30.0070.07716.46
5.4.20.0030.07316.30
5.4.10.0070.08016.46
5.4.00.0000.05315.89
5.3.290.0070.07014.84
5.3.280.0030.08014.77
5.3.270.0100.07014.65
5.3.260.0030.08314.65
5.3.250.0070.07714.77
5.3.240.0070.07714.71
5.3.230.0130.04314.70
5.3.220.0030.08014.59
5.3.210.0070.07314.55
5.3.200.0100.07314.72
5.3.190.0130.06714.46
5.3.180.0170.03314.58
5.3.170.0130.06714.61
5.3.160.0070.06714.82
5.3.150.0100.07314.82
5.3.140.0170.06714.72
5.3.130.0030.04714.71
5.3.120.0030.07714.71
5.3.110.0070.07314.66
5.3.100.0100.07014.30
5.3.90.0100.07314.05
5.3.80.0170.05714.04
5.3.70.0030.07314.12
5.3.60.0100.07314.13
5.3.50.0030.07013.83
5.3.40.0070.07314.12
5.3.30.0130.06014.01
5.3.20.0100.06713.75
5.3.10.0130.05713.68
5.3.00.0030.07713.68
5.2.170.0100.05711.18
5.2.160.0100.05311.03
5.2.150.0070.06011.31
5.2.140.0100.06011.20
5.2.130.0100.06011.37
5.2.120.0000.06711.14
5.2.110.0070.06311.10
5.2.100.0070.04010.98
5.2.90.0030.06311.08
5.2.80.0100.05311.11
5.2.70.0030.03711.14
5.2.60.0130.03310.94
5.2.50.0030.04311.06
5.2.40.0030.04310.90
5.2.30.0030.06710.99
5.2.20.0000.05710.84
5.2.10.0030.03710.74
5.2.00.0030.05310.77
5.1.60.0030.03310.10
5.1.50.0070.0479.85
5.1.40.0000.03010.18
5.1.30.0130.04710.39
5.1.20.0000.05710.37
5.1.10.0030.06010.08
5.1.00.0130.03310.10
5.0.50.0030.0278.96
5.0.40.0000.0208.96
5.0.30.0030.0378.96
5.0.20.0000.0208.96
5.0.10.0070.0338.96
5.0.00.0000.0338.96
4.4.90.0070.0308.96
4.4.80.0030.0278.96
4.4.70.0000.0238.96
4.4.60.0000.0178.96
4.4.50.0070.0138.96
4.4.40.0030.0508.96
4.4.30.0030.0208.96
4.4.20.0100.0208.96
4.4.10.0000.0278.96
4.4.00.0000.0278.96
4.3.110.0000.0178.96
4.3.100.0070.0108.96
4.3.90.0070.0108.96
4.3.80.0030.0238.96
4.3.70.0030.0138.96
4.3.60.0000.0178.96
4.3.50.0000.0178.96
4.3.40.0000.0238.96
4.3.30.0030.0138.96
4.3.20.0030.0108.96
4.3.10.0030.0208.96
4.3.00.0000.0138.96

preferences:
39.78 ms | 401 KiB | 5 Q