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) { $pattern = "@[\x09\x0a\x0b\x0d\"'/]|([^\x09\x0a\x0d\x20-\x7e|]{3}|\\0|%s)+@"; return preg_replace_callback($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], "\f\n\r\t\"'/"); } } } echo json_encode(array('&/"\''=>"\0\f\n\r\t\e" . chr(17)."1"));

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)
8.3.60.0040.01118.43
8.3.50.0110.01121.08
8.3.40.0150.00018.68
8.3.30.0040.01118.63
8.3.20.0030.00518.73
8.3.10.0090.00020.54
8.3.00.0050.00223.64
8.2.180.0080.00616.50
8.2.170.0040.01122.96
8.2.160.0130.00020.35
8.2.150.0040.00424.18
8.2.140.0000.00924.66
8.2.130.0050.00326.16
8.2.120.0040.00419.36
8.2.110.0090.00020.53
8.2.100.0040.00817.82
8.2.90.0060.00618.05
8.2.80.0040.00417.97
8.2.70.0000.00817.63
8.2.60.0050.00317.80
8.2.50.0080.00018.07
8.2.40.0090.00018.16
8.2.30.0030.00519.96
8.2.20.0040.00417.60
8.2.10.0030.00617.63
8.2.00.0060.00317.63
8.1.280.0040.01225.92
8.1.270.0080.00023.99
8.1.260.0120.00626.35
8.1.250.0040.00428.09
8.1.240.0030.00622.14
8.1.230.0090.00321.05
8.1.220.0040.00417.79
8.1.210.0080.00019.15
8.1.200.0000.00917.48
8.1.190.0000.00817.66
8.1.180.0050.00318.10
8.1.170.0000.00818.59
8.1.160.0000.00718.80
8.1.150.0030.00518.62
8.1.140.0040.00417.41
8.1.130.0020.00517.86
8.1.120.0040.00417.49
8.1.110.0000.00817.49
8.1.100.0090.00017.48
8.1.90.0040.00417.34
8.1.80.0030.00317.36
8.1.70.0070.00017.39
8.1.60.0080.00017.61
8.1.50.0040.00417.51
8.1.40.0050.00317.39
8.1.30.0040.00417.60
8.1.20.0080.00017.61
8.1.10.0050.00217.59
8.1.00.0060.00617.54
8.0.300.0070.00020.35
8.0.290.0030.00617.18
8.0.280.0040.00418.50
8.0.270.0070.00017.13
8.0.260.0030.00316.88
8.0.250.0050.00316.95
8.0.240.0030.00816.85
8.0.230.0040.00417.02
8.0.220.0030.00316.96
8.0.210.0040.00416.88
8.0.200.0040.00417.00
8.0.190.0060.00316.93
8.0.180.0040.00416.83
8.0.170.0000.00716.78
8.0.160.0000.00716.88
8.0.150.0040.00416.77
8.0.140.0060.00316.91
8.0.130.0030.00313.32
8.0.120.0040.00416.89
8.0.110.0000.00816.87
8.0.100.0040.00416.79
8.0.90.0040.00416.92
8.0.80.0070.01116.85
8.0.70.0050.00316.80
8.0.60.0000.00716.80
8.0.50.0070.00016.84
8.0.30.0100.01016.93
8.0.20.0100.01017.40
8.0.10.0000.01016.98
8.0.00.0110.00916.79
7.4.330.0030.00314.72
7.4.320.0070.00016.49
7.4.300.0000.00816.54
7.4.290.0000.00816.66
7.4.280.0040.00416.61
7.4.270.0040.00416.52
7.4.260.0000.00613.28
7.4.250.0040.00416.50
7.4.240.0070.00016.40
7.4.230.0090.00016.67
7.4.220.0130.00316.45
7.4.210.0070.00716.54
7.4.200.0000.00716.24
7.4.190.0000.00716.69
7.4.160.0060.00916.70
7.4.150.0090.01717.40
7.4.140.0100.00817.86
7.4.130.0110.02016.43
7.4.120.0150.00416.58
7.4.110.0160.00316.51
7.4.100.0100.00716.52
7.4.90.0100.00716.57
7.4.80.0000.01919.04
7.4.70.0100.01416.42
7.4.60.0090.00816.35
7.4.50.0000.00416.54
7.4.40.0030.01222.27
7.4.30.0060.01116.50
7.4.00.0060.01114.91
7.3.330.0030.00313.23
7.3.320.0050.00013.06
7.3.310.0030.00616.34
7.3.300.0000.00716.22
7.3.290.0090.00616.27
7.3.280.0110.00716.27
7.3.270.0030.01317.40
7.3.260.0110.00618.24
7.3.250.0080.00816.42
7.3.240.0080.00816.37
7.3.230.0090.00616.50
7.3.210.0080.01216.70
7.3.200.0080.01219.39
7.3.190.0170.00016.48
7.3.180.0110.00616.31
7.3.170.0060.01016.54
7.3.160.0040.01116.54
7.3.120.0090.00414.66
7.3.110.0060.00914.69
7.3.100.0110.00314.84
7.3.90.0090.00614.71
7.3.80.0000.01814.59
7.3.70.0030.01014.74
7.3.60.0060.00614.61
7.3.50.0040.01114.81
7.3.40.0070.00314.68
7.3.30.0070.01014.76
7.3.20.0130.00616.55
7.3.10.0000.01116.65
7.3.00.0060.00616.50
7.2.330.0000.01616.60
7.2.320.0100.00716.61
7.2.310.0130.00916.63
7.2.300.0030.01516.63
7.2.290.0100.00716.70
7.2.250.0080.00814.87
7.2.240.0140.00714.85
7.2.230.0120.00315.06
7.2.220.0080.00815.01
7.2.210.0030.01014.89
7.2.200.0040.01114.78
7.2.190.0040.01114.77
7.2.180.0030.01014.86
7.2.170.0030.00915.01
7.2.160.0070.00415.01
7.2.150.0030.01616.69
7.2.140.0060.00316.85
7.2.130.0040.01116.85
7.2.120.0060.00316.64
7.2.110.0040.00416.82
7.2.100.0080.00416.89
7.2.90.0040.00717.01
7.2.80.0090.00016.97
7.2.70.0070.00716.61
7.2.60.0100.00616.79
7.2.50.0070.00716.70
7.2.40.0040.01216.91
7.2.30.0060.01217.02
7.2.20.0030.00616.81
7.2.10.0090.00616.79
7.2.00.0020.01318.14
7.1.330.0070.01115.77
7.1.320.0060.00915.73
7.1.310.0120.00615.53
7.1.300.0040.01115.39
7.1.290.0070.00315.77
7.1.280.0030.00915.73
7.1.270.0080.00815.50
7.1.260.0000.01215.64
7.1.250.0070.00715.70
7.1.240.0000.01115.67
7.1.230.0060.00615.50
7.1.220.0030.01015.68
7.1.210.0040.00715.64
7.1.200.0060.00615.54
7.1.190.0100.00315.40
7.1.180.0070.00715.36
7.1.170.0030.00715.57
7.1.160.0120.00315.40
7.1.150.0030.00715.45
7.1.140.0030.00515.71
7.1.130.0060.00315.36
7.1.120.0000.01415.77
7.1.110.0060.00615.79
7.1.100.0080.00716.70
7.1.90.0080.00415.73
7.1.80.0060.00615.40
7.1.70.0020.00716.24
7.1.60.0080.01017.50
7.1.50.0080.00916.18
7.1.40.0080.00415.82
7.1.30.0040.01115.34
7.1.20.0000.01415.86
7.1.10.0060.00915.44
7.1.00.0120.02019.06
7.0.330.0040.01115.22
7.0.320.0070.00715.39
7.0.310.0040.01115.34
7.0.300.0050.00315.34
7.0.290.0130.00315.16
7.0.280.0000.01315.39
7.0.270.0100.00315.38
7.0.260.0070.00715.22
7.0.250.0070.00415.21
7.0.240.0060.00315.57
7.0.230.0070.00715.51
7.0.220.0080.00015.23
7.0.210.0100.00314.97
7.0.200.0200.00314.99
7.0.190.0000.01015.41
7.0.180.0110.00315.27
7.0.170.0040.01215.50
7.0.160.0040.00415.29
7.0.150.0060.00315.30
7.0.140.0050.04018.64
7.0.130.0000.01715.02
7.0.120.0080.00815.54
7.0.110.0080.00515.44
7.0.100.0030.01015.36
7.0.90.0100.03617.62
7.0.80.0080.02617.81
7.0.70.0060.03217.77
7.0.60.0080.03117.71
7.0.50.0050.04317.95
7.0.40.0090.04316.86
7.0.30.0090.02716.74
7.0.20.0070.04316.70
7.0.10.0070.04016.61
7.0.00.0130.03516.67
5.6.400.0030.00914.46
5.6.390.0080.00814.20
5.6.380.0050.00814.26
5.6.370.0080.00614.34
5.6.360.0030.00614.25
5.6.350.0060.01314.51
5.6.340.0100.00314.39
5.6.330.0040.00414.51
5.6.320.0000.01414.43
5.6.310.0060.00614.29
5.6.300.0000.01414.05
5.6.290.0080.00414.25
5.6.280.0050.01114.43
5.6.270.0080.00414.29
5.6.260.0000.01514.25
5.6.250.0060.00914.14
5.6.240.0080.04617.39
5.6.230.0100.03717.45
5.6.220.0070.04017.49
5.6.210.0070.04217.63
5.6.200.0120.04317.59
5.6.190.0050.04517.54
5.6.180.0070.04417.73
5.6.170.0080.04017.58
5.6.160.0030.03117.83
5.6.150.0050.04217.57
5.6.140.0080.04217.52
5.6.130.0030.02717.80
5.6.120.0050.04017.73
5.6.110.0120.02317.74
5.6.100.0100.03617.80
5.6.90.0050.03717.66
5.6.80.0080.02717.32
5.6.70.0070.03117.32
5.6.60.0100.04317.33
5.6.50.0090.02517.41
5.6.40.0100.04217.29
5.6.30.0110.03917.29
5.6.20.0030.04217.46
5.6.10.0080.03817.32
5.6.00.0060.02617.49
5.5.380.0080.04617.41
5.5.370.0070.02817.31
5.5.360.0080.03617.51
5.5.350.0120.03417.47
5.5.340.0090.03517.63
5.5.330.0120.04017.59
5.5.320.0030.05317.52
5.5.310.0050.04817.63
5.5.300.0100.04117.63
5.5.290.0170.03517.63
5.5.280.0050.02717.59
5.5.270.0090.04917.56
5.5.260.0030.04717.63
5.5.250.0050.03817.38
5.5.240.0050.03417.09
5.5.230.0050.04217.29
5.5.220.0060.02817.13
5.5.210.0050.02517.32
5.5.200.0050.03917.39
5.5.190.0130.03617.24
5.5.180.0000.05017.21
5.5.170.0000.01014.38
5.5.160.0090.02017.30
5.5.150.0030.04417.23
5.5.140.0080.04017.21
5.5.130.0100.03717.16
5.5.120.0060.03317.27
5.5.110.0100.04017.25
5.5.100.0110.03817.15
5.5.90.0050.02917.16
5.5.80.0120.03817.22
5.5.70.0050.03917.08
5.5.60.0050.04517.17
5.5.50.0100.02917.24
5.5.40.0090.03017.26
5.5.30.0070.02617.21
5.5.20.0100.02517.15
5.5.10.0030.04617.13
5.5.00.0080.03817.03
5.4.450.0050.02715.27
5.4.440.0070.04615.17
5.4.430.0080.04414.98
5.4.420.0050.04015.27
5.4.410.0070.04315.21
5.4.400.0070.03515.13
5.4.390.0070.02714.90
5.4.380.0070.02515.07
5.4.370.0090.02115.03
5.4.360.0050.03514.94
5.4.350.0030.03214.87
5.4.340.0090.02415.04
5.4.330.0030.00811.00
5.4.320.0030.03114.99
5.4.310.0110.03814.88
5.4.300.0110.03314.96
5.4.290.0070.03314.91
5.4.280.0060.02514.94
5.4.270.0030.02714.96
5.4.260.0010.03915.10
5.4.250.0080.03915.18
5.4.240.0050.03014.79
5.4.230.0130.03315.18
5.4.220.0050.04115.09
5.4.210.0040.03615.07
5.4.200.0060.02815.01
5.4.190.0030.02914.84
5.4.180.0070.02515.03
5.4.170.0080.04014.85
5.4.160.0050.03915.08
5.4.150.0090.03215.06
5.4.140.0080.04013.63
5.4.130.0030.03813.67
5.4.120.0050.02213.74
5.4.110.0050.02513.69
5.4.100.0030.02413.90
5.4.90.0050.02513.78
5.4.80.0070.03713.72
5.4.70.0080.03513.77
5.4.60.0150.02013.76
5.4.50.0070.04213.64
5.4.40.0020.02913.77
5.4.30.0070.03313.64
5.4.20.0040.02913.55
5.4.10.0050.04213.69
5.4.00.0050.04213.34
5.3.290.0100.03712.55
5.3.280.0060.02212.57
5.3.270.0050.02912.64
5.3.260.0030.03312.51
5.3.250.0050.02912.47
5.3.240.0050.04012.53
5.3.230.0060.03312.59
5.3.220.0020.03212.65
5.3.210.0060.03112.38
5.3.200.0030.03712.49
5.3.190.0100.03612.50
5.3.180.0070.03812.59
5.3.170.0100.03812.67
5.3.160.0050.04112.51
5.3.150.0070.03912.59
5.3.140.0080.03312.58
5.3.130.0050.04312.51
5.3.120.0070.04012.55
5.3.110.0020.04112.74
5.3.100.0080.02812.37
5.3.90.0050.04012.33
5.3.80.0070.03812.18
5.3.70.0030.02812.37
5.3.60.0040.03712.32
5.3.50.0070.04012.30
5.3.40.0020.02612.22
5.3.30.0030.04312.26
5.3.20.0070.02711.93
5.3.10.0030.03712.01
5.3.00.0070.03911.97
5.2.170.0070.05311.04
5.2.160.0070.06311.09
5.2.150.0030.06711.18
5.2.140.0100.05711.11
5.2.130.0100.03011.16
5.2.120.0100.05311.19
5.2.110.0000.06311.27
5.2.100.0100.05711.14
5.2.90.0100.05011.13
5.2.80.0030.06710.98
5.2.70.0100.05011.18
5.2.60.0000.06711.11
5.2.50.0070.06011.17
5.2.40.0030.04011.04
5.2.30.0070.05010.93
5.2.20.0100.05310.99
5.2.10.0030.06310.88
5.2.00.0070.05310.61
5.1.60.0070.0309.91
5.1.50.0070.05010.02
5.1.40.0030.05710.00
5.1.30.0030.05710.49
5.1.20.0030.06010.44
5.1.10.0000.04710.19
5.1.00.0070.05710.21
5.0.50.0000.0308.65
5.0.40.0000.0378.31
5.0.30.0030.0508.36
5.0.20.0000.0278.24
5.0.10.0000.0478.34
5.0.00.0030.0678.30
4.4.90.0070.0277.49
4.4.80.0000.0377.49
4.4.70.0030.0307.49
4.4.60.0070.0307.49
4.4.50.0000.0377.49
4.4.40.0000.0377.49
4.4.30.0000.0307.49
4.4.20.0030.0277.49
4.4.10.0000.0377.49
4.4.00.0030.0577.49
4.3.110.0000.0337.49
4.3.100.0100.0207.49
4.3.90.0000.0207.49
4.3.80.0100.0477.49
4.3.70.0000.0307.49
4.3.60.0070.0277.49
4.3.50.0030.0237.49
4.3.40.0000.0337.49
4.3.30.0030.0177.49
4.3.20.0000.0207.49
4.3.10.0000.0177.49
4.3.00.0030.0177.49

preferences:
35.35 ms | 401 KiB | 5 Q