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) { $pattern = "@[\a\b\f\n\r\t\"'/]|([^\x09\x0A\x0D\x20-\x7E|]{3}|\\0|\v)+@"; return preg_replace_callback($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\"'/"); } } } 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)
8.3.60.0090.01216.50
8.3.50.0090.01418.28
8.3.40.0040.01118.77
8.3.30.0070.00718.72
8.3.20.0080.00018.61
8.3.10.0040.00420.40
8.3.00.0120.00817.50
8.2.180.0140.00316.47
8.2.170.0120.00918.91
8.2.160.0140.00322.96
8.2.150.0030.00624.18
8.2.140.0120.00324.66
8.2.130.0000.00826.16
8.2.120.0040.00419.85
8.2.110.0030.00621.11
8.2.100.0000.01117.72
8.2.90.0070.00319.35
8.2.80.0040.00419.25
8.2.70.0040.00417.38
8.2.60.0040.00417.80
8.2.50.0050.00318.07
8.2.40.0000.00718.03
8.2.30.0040.00418.20
8.2.20.0020.00517.65
8.2.10.0050.00217.61
8.2.00.0000.00717.66
8.1.280.0150.00325.92
8.1.270.0030.00524.66
8.1.260.0040.00426.35
8.1.250.0050.00328.09
8.1.240.0060.00323.92
8.1.230.0070.00420.85
8.1.220.0030.00617.74
8.1.210.0030.00618.97
8.1.200.0060.00417.23
8.1.190.0000.00717.39
8.1.180.0000.00818.10
8.1.170.0040.00418.80
8.1.160.0040.00418.88
8.1.150.0000.00718.62
8.1.140.0040.00417.46
8.1.130.0000.00717.82
8.1.120.0040.00417.53
8.1.110.0000.00717.45
8.1.100.0040.00417.54
8.1.90.0030.00317.33
8.1.80.0000.00817.43
8.1.70.0040.00417.43
8.1.60.0120.00017.48
8.1.50.0000.00817.40
8.1.40.0040.00417.41
8.1.30.0040.00417.63
8.1.20.0000.00817.57
8.1.10.0040.00417.42
8.1.00.0080.00017.45
8.0.300.0060.00320.11
8.0.290.0040.00416.58
8.0.280.0030.00318.45
8.0.270.0000.00717.32
8.0.260.0000.00816.74
8.0.250.0000.00816.90
8.0.240.0000.01017.01
8.0.230.0050.00316.96
8.0.220.0030.00316.83
8.0.210.0030.00316.76
8.0.200.0080.00016.92
8.0.190.0070.00016.92
8.0.180.0000.00716.94
8.0.170.0090.00016.82
8.0.160.0000.00816.94
8.0.150.0040.00416.79
8.0.140.0040.00416.87
8.0.130.0060.00013.30
8.0.120.0000.00816.79
8.0.110.0000.00816.90
8.0.100.0000.00716.80
8.0.90.0040.00416.96
8.0.80.0090.00616.82
8.0.70.0050.00216.77
8.0.60.0000.00716.79
8.0.50.0000.00716.79
8.0.30.0090.01217.07
8.0.20.0140.01217.11
8.0.10.0040.00416.91
8.0.00.0070.01316.79
7.4.330.0030.00313.01
7.4.320.0000.00616.61
7.4.300.0000.00616.64
7.4.290.0000.00816.42
7.4.280.0000.00716.48
7.4.270.0000.00716.62
7.4.260.0030.00313.34
7.4.250.0050.00316.43
7.4.240.0070.00016.60
7.4.230.0050.00316.35
7.4.220.0030.01616.36
7.4.210.0070.01016.44
7.4.200.0070.00016.26
7.4.190.0040.00416.49
7.4.160.0100.00716.53
7.4.150.0120.00916.54
7.4.140.0080.01316.57
7.4.130.0100.01016.50
7.4.120.0080.00916.44
7.4.110.0070.01016.38
7.4.100.0060.01116.42
7.4.90.0150.00316.63
7.4.80.0110.00616.52
7.4.70.0100.00716.29
7.4.60.0100.01016.58
7.4.50.0040.00416.30
7.4.40.0070.00416.30
7.4.30.0100.01016.30
7.4.00.0090.00914.93
7.3.330.0060.00013.21
7.3.320.0000.00613.15
7.3.310.0040.00416.25
7.3.300.0000.00716.29
7.3.290.0140.00016.25
7.3.280.0090.00816.23
7.3.270.0160.00316.21
7.3.260.0100.00916.51
7.3.250.0130.00616.43
7.3.240.0160.00016.22
7.3.230.0030.01316.50
7.3.210.0090.00916.49
7.3.200.0000.02419.39
7.3.190.0150.00716.22
7.3.180.0070.01016.41
7.3.170.0120.00616.49
7.3.160.0060.00916.33
7.3.120.0070.01014.41
7.2.330.0070.01016.59
7.2.320.0110.01116.24
7.2.310.0120.00616.66
7.2.300.0070.01416.35
7.2.290.0030.01216.67
7.2.60.0180.00316.89
7.2.50.0130.00016.93
7.1.200.0090.00315.32
7.1.70.0070.00216.95
7.1.60.0110.01419.40
7.1.50.0040.01816.83
7.1.00.0000.07022.36
7.0.200.0630.01014.74
7.0.140.0030.07021.94
7.0.120.0030.06722.14
7.0.90.0070.08319.92
7.0.80.0470.07019.89
7.0.70.0500.03719.91
7.0.60.0400.04319.88
7.0.50.0470.05320.27
7.0.40.0030.05720.11
7.0.30.0070.04020.13
7.0.20.0030.04320.14
7.0.10.0100.03720.09
7.0.00.0070.04020.03
5.6.280.0070.07021.11
5.6.240.0070.05720.53
5.6.230.0100.04020.71
5.6.220.0070.04020.50
5.6.210.0000.04320.62
5.6.200.0130.08021.00
5.6.190.0030.05021.10
5.6.180.0100.07721.15
5.6.170.0000.04320.98
5.6.160.0030.03721.05
5.6.150.0030.04021.04
5.6.140.0030.04721.18
5.6.130.0100.05321.04
5.6.120.0030.04021.12
5.6.110.0030.03721.09
5.6.100.0100.03321.02
5.6.90.0070.05720.93
5.6.80.0130.05320.48
5.6.70.0070.03720.47
5.6.60.0070.04320.45
5.6.50.0030.05020.37
5.6.40.0100.07320.40
5.6.30.0070.04020.42
5.6.20.0100.07020.30
5.6.10.0100.07320.35
5.6.00.0100.07320.44
5.5.380.0100.07720.44
5.5.370.0070.04020.46
5.5.360.0170.07020.37
5.5.350.0030.04320.45
5.5.340.0070.03320.75
5.5.330.0070.06020.75
5.5.320.0100.06320.88
5.5.310.0030.04020.89
5.5.300.0070.05020.90
5.5.290.0030.03720.64
5.5.280.0000.04320.90
5.5.270.0100.03020.94
5.5.260.0030.03720.79
5.5.250.0000.04320.59
5.5.240.0070.03720.23
5.5.230.0030.03720.02
5.5.220.0030.04020.32
5.5.210.0070.03720.20
5.5.200.0030.04020.14
5.5.190.0070.04320.16
5.5.180.0100.05320.28
5.5.160.0130.07020.26
5.5.150.0070.05320.28
5.5.140.0070.04320.17
5.5.130.0070.04720.29
5.5.120.0100.07720.12
5.5.110.0030.05720.22
5.5.100.0030.04320.18
5.5.90.0130.06320.16
5.5.80.0030.05720.02
5.5.70.0270.05720.07
5.5.60.0100.07720.18
5.5.50.0030.07720.13
5.5.40.0200.06020.11
5.5.30.0000.07320.11
5.5.20.0070.05320.10
5.5.10.0070.07720.05
5.5.00.0130.07020.07
5.4.450.0000.04019.49
5.4.440.0030.04019.28
5.4.430.0070.05019.37
5.4.420.0030.05019.17
5.4.410.0100.03319.36
5.4.400.0130.06719.01
5.4.390.0000.04319.13
5.4.380.0100.03018.90
5.4.370.0070.03019.09
5.4.360.0070.03019.18
5.4.350.0070.05318.91
5.4.340.0100.06719.18
5.4.320.0070.07319.13
5.4.310.0070.07019.12
5.4.300.0070.04019.23
5.4.290.0100.07019.04
5.4.280.0130.04319.06
5.4.270.0170.07019.23
5.4.260.0070.05019.23
5.4.250.0100.07019.23
5.4.240.0070.07319.08
5.4.230.0030.07319.12
5.4.220.0170.07018.84
5.4.210.0130.04319.07
5.4.200.0130.05019.13
5.4.190.0100.07018.84
5.4.180.0030.05019.14
5.4.170.0070.07019.08
5.4.160.0030.07719.21
5.4.150.0000.08719.03
5.4.140.0070.07016.44
5.4.130.0070.05716.46
5.4.120.0070.07316.46
5.4.110.0100.07016.47
5.4.100.0130.07316.40
5.4.90.0130.06716.34
5.4.80.0000.04716.38
5.4.70.0030.05316.31
5.4.60.0130.05716.36
5.4.50.0070.07316.48
5.4.40.0070.08016.34
5.4.30.0130.03316.40
5.4.20.0070.07016.47
5.4.10.0030.05316.48
5.4.00.0130.07015.79
5.3.290.0200.05714.72
5.3.280.0000.08014.59
5.3.270.0100.06714.57
5.3.260.0170.06014.55
5.3.250.0130.06314.59
5.3.240.0070.08014.69
5.3.230.0030.05714.68
5.3.220.0100.07014.65
5.3.210.0030.07714.73
5.3.200.0000.05714.56
5.3.190.0130.07014.66
5.3.180.0130.07314.65
5.3.170.0070.07314.60
5.3.160.0070.04714.61
5.3.150.0100.07314.70
5.3.140.0070.07014.64
5.3.130.0130.07314.50
5.3.120.0100.06314.46
5.3.110.0130.06014.69
5.3.100.0070.08014.02
5.3.90.0030.06714.17
5.3.80.0100.05714.15
5.3.70.0000.05014.10
5.3.60.0070.07014.01
5.3.50.0030.07714.09
5.3.40.0070.04014.00
5.3.30.0030.04314.03
5.3.20.0030.07313.81
5.3.10.0070.07713.74
5.3.00.0100.07313.66
5.2.170.0070.06311.27
5.2.160.0100.02711.04
5.2.150.0100.06311.30
5.2.140.0100.05711.07
5.2.130.0170.05011.20
5.2.120.0100.05011.04
5.2.110.0170.05311.16
5.2.100.0070.05711.23
5.2.90.0100.05311.24
5.2.80.0030.06311.13
5.2.70.0030.06311.12
5.2.60.0130.05711.14
5.2.50.0000.07011.18
5.2.40.0100.04011.08
5.2.30.0030.04311.01
5.2.20.0070.06311.05
5.2.10.0030.05310.79
5.2.00.0100.05010.68
5.1.60.0030.05310.08
5.1.50.0030.0579.87
5.1.40.0070.03710.00
5.1.30.0030.03310.50
5.1.20.0070.05010.25
5.1.10.0070.04710.21
5.1.00.0000.05310.13
5.0.50.0100.0438.44
5.0.40.0070.0378.53
5.0.30.0030.0678.13
5.0.20.0000.0438.33
5.0.10.0070.0278.23
5.0.00.0070.0638.29
4.4.90.0070.0337.16
4.4.80.0030.0377.16
4.4.70.0030.0177.16
4.4.60.0000.0307.16
4.4.50.0030.0337.16
4.4.40.0130.0277.16
4.4.30.0030.0377.16
4.4.20.0000.0407.16
4.4.10.0030.0377.16
4.4.00.0000.0477.16
4.3.110.0000.0377.16
4.3.100.0070.0307.16
4.3.90.0000.0237.16
4.3.80.0100.0437.16
4.3.70.0030.0337.16
4.3.60.0000.0337.16
4.3.50.0070.0207.16
4.3.40.0070.0477.16
4.3.30.0030.0207.16
4.3.20.0070.0307.16
4.3.10.0000.0377.16
4.3.00.0030.0337.16

preferences:
51.27 ms | 401 KiB | 5 Q