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) { $pattern = sprintf("@[\f\n\r\t\"'/]|([^\x09\x0A\x0D\x20-\x7E|]{3}|\\0|%s)+@", chr(11) ); return preg_replace_callback($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(11)));

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)
8.3.40.0090.00618.61
8.3.30.0110.00418.76
8.3.20.0060.00318.55
8.3.10.0090.00020.46
8.3.00.0030.00619.25
8.2.170.0120.00322.96
8.2.160.0070.01018.68
8.2.150.0000.00824.18
8.2.140.0090.00024.66
8.2.130.0050.00326.16
8.2.120.0040.00418.76
8.2.110.0090.00020.51
8.2.100.0080.00417.91
8.2.90.0040.00419.22
8.2.80.0000.00719.27
8.2.70.0070.00317.49
8.2.60.0000.00817.80
8.2.50.0000.00818.07
8.2.40.0000.00818.16
8.2.30.0050.00218.09
8.2.20.0030.00617.59
8.2.10.0040.00417.80
8.2.00.0000.00717.67
8.1.270.0000.00823.99
8.1.260.0030.00626.35
8.1.250.0000.00828.09
8.1.240.0080.00423.86
8.1.230.0000.01122.37
8.1.220.0040.00418.77
8.1.210.0000.00819.27
8.1.200.0030.00617.48
8.1.190.0000.00817.66
8.1.180.0040.00418.10
8.1.170.0040.00420.63
8.1.160.0080.00018.77
8.1.150.0000.00718.63
8.1.140.0030.00617.39
8.1.130.0000.00717.93
8.1.120.0040.00417.46
8.1.110.0050.00217.42
8.1.100.0000.00717.49
8.1.90.0040.00417.52
8.1.80.0050.00217.36
8.1.70.0000.00717.41
8.1.60.0060.00317.59
8.1.50.0040.00417.52
8.1.40.0040.00417.50
8.1.30.0060.00317.54
8.1.20.0000.00817.65
8.1.10.0080.00017.54
8.1.00.0040.00417.42
8.0.300.0000.00719.99
8.0.290.0040.00416.88
8.0.280.0000.00718.32
8.0.270.0040.00417.17
8.0.260.0030.00316.73
8.0.250.0040.00416.97
8.0.240.0080.00016.85
8.0.230.0030.00316.98
8.0.220.0000.00716.80
8.0.210.0050.00216.90
8.0.200.0000.00716.86
8.0.190.0040.00416.95
8.0.180.0040.00416.82
8.0.170.0000.00916.76
8.0.160.0040.00416.97
8.0.150.0000.00816.75
8.0.140.0000.00816.79
8.0.130.0000.00613.39
8.0.120.0070.00016.77
8.0.110.0040.00416.93
8.0.100.0070.00016.77
8.0.90.0000.00816.88
8.0.80.0050.01016.91
8.0.70.0000.00716.91
8.0.60.0000.00716.86
8.0.50.0070.00016.74
8.0.30.0090.00916.96
8.0.20.0130.00516.91
8.0.10.0000.00716.95
8.0.00.0090.01216.76
7.4.330.0020.00213.02
7.4.320.0000.00616.55
7.4.300.0070.00016.51
7.4.290.0030.00316.52
7.4.280.0020.00516.52
7.4.270.0050.00316.50
7.4.260.0000.00513.28
7.4.250.0000.00716.44
7.4.240.0040.00416.45
7.4.230.0030.00316.30
7.4.220.0140.00316.54
7.4.210.0090.01216.57
7.4.200.0000.00716.47
7.4.190.0070.00016.61
7.4.160.0080.00816.44
7.4.150.0150.00316.43
7.4.140.0040.01516.36
7.4.130.0130.00916.49
7.4.120.0000.01616.33
7.4.110.0120.00616.51
7.4.100.0130.01016.49
7.4.90.0110.00716.42
7.4.80.0040.01319.39
7.4.70.0100.01016.59
7.4.60.0030.01316.51
7.4.50.0050.00016.35
7.4.40.0090.00616.55
7.4.30.0130.00416.45
7.4.10.0120.00614.77
7.4.00.0060.01014.82
7.3.330.0060.00013.31
7.3.320.0090.00013.14
7.3.310.0000.00716.33
7.3.300.0000.00616.25
7.3.290.0040.01016.31
7.3.280.0070.00916.24
7.3.270.0110.01416.58
7.3.260.0060.01216.41
7.3.250.0080.01216.34
7.3.240.0030.01416.35
7.3.230.0150.00416.57
7.3.210.0150.00916.68
7.3.200.0110.00716.62
7.3.190.0110.00716.57
7.3.180.0130.00316.39
7.3.170.0090.00616.38
7.3.160.0170.00316.36
7.3.130.0100.00714.53
7.3.120.0030.01214.70
7.3.110.0100.00714.57
7.3.100.0040.01214.75
7.3.90.0050.00514.84
7.3.80.0040.00714.89
7.3.70.0060.00914.54
7.3.60.0030.00914.73
7.3.50.0060.00314.46
7.3.40.0040.01114.59
7.3.30.0100.00314.96
7.3.20.0060.00316.57
7.3.10.0100.00716.43
7.3.00.0100.00316.51
7.2.330.0100.00716.55
7.2.320.0120.00616.58
7.2.310.0120.00616.44
7.2.300.0150.00716.70
7.2.290.0090.00716.68
7.2.260.0100.00614.82
7.2.250.0040.01515.18
7.2.240.0070.00715.14
7.2.230.0090.00614.78
7.2.220.0080.00514.91
7.2.210.0100.00714.93
7.2.200.0030.01214.68
7.2.190.0040.00714.72
7.2.180.0130.00314.85
7.2.170.0000.01414.55
7.2.160.0000.01415.00
7.2.150.0070.00416.84
7.2.140.0100.00316.92
7.2.130.0070.00716.89
7.2.120.0070.00716.46
7.2.110.0090.00816.37
7.2.100.0090.00816.53
7.2.90.0070.00816.65
7.2.80.0100.00916.72
7.2.70.0060.01016.76
7.2.60.0170.01116.88
7.2.50.0120.00316.70
7.2.40.0020.01516.75
7.2.30.0210.00916.69
7.2.20.0100.00716.72
7.2.10.0170.01016.52
7.2.00.0070.00717.68
7.1.330.0060.00615.93
7.1.320.0000.01115.40
7.1.310.0000.01515.79
7.1.300.0040.01115.64
7.1.290.0070.00715.58
7.1.280.0110.00415.73
7.1.270.0070.00715.48
7.1.260.0030.00715.41
7.1.250.0070.00315.81
7.1.240.0140.00015.64
7.1.230.0260.00915.52
7.1.220.0030.00815.64
7.1.210.0060.00715.54
7.1.200.0070.01015.50
7.1.190.0110.01115.70
7.1.180.0050.00815.72
7.1.170.0070.00615.73
7.1.160.0050.00915.73
7.1.150.0100.00515.71
7.1.140.0080.00715.72
7.1.130.0250.00315.75
7.1.120.0190.00715.72
7.1.110.0090.00515.66
7.1.100.0070.00616.34
7.1.90.0170.00915.62
7.1.80.0380.00615.76
7.1.70.0130.00515.96
7.1.60.0100.00516.97
7.1.50.0070.01215.95
7.1.40.0090.00715.62
7.1.30.0100.00515.57
7.1.20.0070.01015.74
7.1.10.0110.00015.66
7.1.00.0080.01918.00
7.0.330.0110.00015.54
7.0.320.0040.00815.26
7.0.310.0110.00215.33
7.0.300.0050.00715.20
7.0.290.0110.00515.17
7.0.280.0120.00315.35
7.0.270.0070.00315.33
7.0.260.0070.00715.30
7.0.250.0040.00715.42
7.0.240.0080.00415.15
7.0.230.0040.00815.37
7.0.220.0070.00915.42
7.0.210.0050.01015.24
7.0.200.0040.00915.74
7.0.190.0060.00715.33
7.0.180.0050.00615.48
7.0.170.0090.00515.30
7.0.160.0050.01015.32
7.0.150.0070.00515.34
7.0.140.0040.03217.53
7.0.130.0070.00615.26
7.0.120.0050.03217.55
7.0.110.0070.00515.21
7.0.100.0040.01415.35
7.0.90.0160.02516.80
7.0.80.0200.02116.86
7.0.70.0210.03016.87
7.0.60.0190.01916.79
7.0.50.0110.02516.92
7.0.40.0060.03315.69
7.0.30.0090.03215.48
7.0.20.0060.02115.61
7.0.10.0060.02215.66
7.0.00.0060.03115.60
5.6.400.0040.00814.36
5.6.390.0000.00814.29
5.6.380.0120.00314.41
5.6.370.0020.01214.38
5.6.360.0120.00314.21
5.6.350.0070.00914.18
5.6.340.0100.00314.33
5.6.330.0100.00514.39
5.6.320.0080.00614.40
5.6.310.0030.01014.19
5.6.300.0060.01014.42
5.6.290.0100.00414.14
5.6.280.0050.02816.42
5.6.270.0090.00614.49
5.6.260.0100.00514.47
5.6.250.0080.00614.44
5.6.240.0080.02816.45
5.6.230.0140.02616.31
5.6.220.0050.03316.59
5.6.210.0060.02416.45
5.6.200.0100.02716.66
5.6.190.0100.02816.58
5.6.180.0120.02916.66
5.6.170.0060.02416.69
5.6.160.0140.02716.63
5.6.150.0100.02816.46
5.6.140.0040.03516.63
5.6.130.0120.02716.55
5.6.120.0060.02516.42
5.6.110.0060.02116.61
5.6.100.0100.02216.57
5.6.90.0070.03316.52
5.6.80.0110.02616.34
5.6.70.0080.03216.40
5.6.60.0070.03116.43
5.6.50.0060.01816.35
5.6.40.0060.02616.39
5.6.30.0040.02016.16
5.6.20.0080.01516.39
5.6.10.0080.01716.26
5.6.00.0030.02016.21
5.5.380.0040.02015.80
5.5.370.0090.02915.75
5.5.360.0080.01915.81
5.5.350.0070.03315.74
5.5.340.0070.03015.92
5.5.330.0050.02316.05
5.5.320.0070.01715.95
5.5.310.0100.02915.97
5.5.300.0020.02615.92
5.5.290.0050.03516.03
5.5.280.0080.03015.92
5.5.270.0060.01815.92
5.5.260.0090.01816.12
5.5.250.0080.02715.90
5.5.240.0050.02815.83
5.5.230.0110.01415.67
5.5.220.0080.02215.63
5.5.210.0090.01915.78
5.5.200.0060.01615.77
5.5.190.0060.02015.72
5.5.180.0060.01715.82
5.5.170.0100.00514.24
5.5.160.0030.02015.64
5.5.150.0070.01615.70
5.5.140.0080.01515.70
5.5.130.0060.02315.72
5.5.120.0060.01715.66
5.5.110.0090.01615.80
5.5.100.0080.01715.72
5.5.90.0060.01515.70
5.5.80.0060.01615.76
5.5.70.0110.02215.59
5.5.60.0110.01115.71
5.5.50.0060.02115.73
5.5.40.0070.01715.62
5.5.30.0010.01815.74
5.5.20.0050.02015.76
5.5.10.0080.01515.50
5.5.00.0080.01415.64
5.4.450.0080.02914.72
5.4.440.0070.03214.62
5.4.430.0070.01914.63
5.4.420.0070.02414.66
5.4.410.0100.02714.63
5.4.400.0050.01914.56
5.4.390.0090.02014.57
5.4.380.0080.02214.61
5.4.370.0100.02614.58
5.4.360.0050.01814.57
5.4.350.0070.02714.56
5.4.340.0050.01514.55
5.4.330.0070.00512.31
5.4.320.0050.01714.50
5.4.310.0060.01514.58
5.4.300.0050.01714.61
5.4.290.0080.01114.60
5.4.280.0030.02314.50
5.4.270.0060.02314.57
5.4.260.0060.02814.56
5.4.250.0070.02314.62
5.4.240.0050.02714.55
5.4.230.0070.01814.51
5.4.220.0050.01514.58
5.4.210.0040.01714.55
5.4.200.0070.01214.62
5.4.190.0070.01514.55
5.4.180.0050.02114.54
5.4.170.0080.01314.61
5.4.160.0030.01614.54
5.4.150.0080.01214.61
5.4.140.0040.01913.68
5.4.130.0030.02513.69
5.4.120.0050.01513.68
5.4.110.0060.01613.70
5.4.100.0070.01413.72
5.4.90.0060.01313.70
5.4.80.0090.01013.71
5.4.70.0050.01413.71
5.4.60.0030.01713.70
5.4.50.0060.02213.66
5.4.40.0040.01713.69
5.4.30.0060.01513.70
5.4.20.0050.02513.70
5.4.10.0060.01313.63
5.4.00.0040.01613.48
5.3.290.0040.01513.11
5.3.280.0050.01713.12
5.3.270.0050.01513.11
5.3.260.0010.02013.08
5.3.250.0060.01613.10
5.3.240.0060.01613.11
5.3.230.0050.01813.08
5.3.220.0080.02013.05
5.3.210.0040.01513.09
5.3.200.0060.01613.08
5.3.190.0040.02913.06
5.3.180.0050.01313.09
5.3.170.0090.01113.06
5.3.160.0050.02213.11
5.3.150.0080.01213.07
5.3.140.0040.01813.04
5.3.130.0040.01913.06
5.3.120.0020.02413.09
5.3.110.0060.02113.10
5.3.100.0020.01612.92
5.3.90.0050.01412.91
5.3.80.0030.01912.86
5.3.70.0070.02412.93
5.3.60.0050.02612.85
5.3.50.0050.02712.87
5.3.40.0050.02812.83
5.3.30.0110.02212.85
5.3.20.0030.03012.81
5.3.10.0070.02112.73
5.3.00.0050.02712.78
5.2.170.0060.03411.94
5.2.160.0080.03211.94
5.2.150.0060.03312.00
5.2.140.0060.03212.02
5.2.130.0070.02811.98
5.2.120.0030.03411.99
5.2.110.0070.02512.01
5.2.100.0090.02812.01
5.2.90.0020.03611.99
5.2.80.0050.03311.98
5.2.70.0080.02011.92
5.2.60.0050.02511.98
5.2.50.0050.02211.87
5.2.40.0030.04111.92
5.2.30.0070.03011.94
5.2.20.0060.03011.92
5.2.10.0020.03411.89
5.2.00.0060.02711.80
5.1.60.0070.02511.43
5.1.50.0030.03111.35
5.1.40.0080.02811.40
5.1.30.0060.02811.63
5.1.20.0030.03211.58
5.1.10.0020.02511.36
5.1.00.0060.03111.44
5.0.50.0030.01310.75
5.0.40.0060.01910.63
5.0.30.0020.03410.54
5.0.20.0030.01310.44
5.0.10.0050.02210.51
5.0.00.0060.03010.44
4.4.90.0020.01110.28
4.4.80.0000.02110.28
4.4.70.0020.01910.28
4.4.60.0030.01710.28
4.4.50.0060.01510.28
4.4.40.0040.02510.28
4.4.30.0030.01810.28
4.4.20.0020.01410.28
4.4.10.0040.01110.28
4.4.00.0030.03310.28
4.3.110.0030.01510.28
4.3.100.0030.01010.28
4.3.90.0040.01210.28
4.3.80.0020.02310.28
4.3.70.0010.01610.28
4.3.60.0030.01410.28
4.3.50.0020.01310.28
4.3.40.0020.02710.28
4.3.30.0030.01910.28
4.3.20.0000.01610.28
4.3.10.0020.02010.28
4.3.00.0010.01810.28

preferences:
41.56 ms | 400 KiB | 5 Q