Services_JSON::_encode() – PRIVATE CODE that does the work of encodes an arbitrary variable into JSON format
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Description
PRIVATE CODE that does the work of encodes an arbitrary variable into JSON format
Usage
Services_JSON::_encode( $var );
Parameters
- $var
- ( mixed ) required – any number, boolean, string, array, or object to be encoded. see argument 1 to Services_JSON() above for array-parsing behavior. if var is a string, note that encode() always expects it to be in ASCII or UTF-8 format!
Returns
void mixed JSON string representation of input var or an error if a problem occurs
Source
File name: wordpress/wp-includes/class-json.php
Lines:
1 to 100 of 233
function _encode($var) { _deprecated_function( __METHOD__, '5.3.0', 'The PHP native JSON extension' ); switch (gettype($var)) { case 'boolean': return $var ? 'true' : 'false'; case 'NULL': return 'null'; case 'integer': return (int) $var; case 'double': case 'float': return (float) $var; case 'string': // STRINGS ARE EXPECTED TO BE IN ASCII OR UTF-8 FORMAT $ascii = ''; $strlen_var = $this->Services_JSON::strlen8($var); /* * Iterate over every character in the string, * escaping with a slash or encoding to UTF-8 where necessary */ for ($c = 0; $c < $strlen_var; ++$c) { $ord_var_c = ord($var[$c]); switch (true) { case $ord_var_c == 0x08: $ascii .= '\b'; break; case $ord_var_c == 0x09: $ascii .= '\t'; break; case $ord_var_c == 0x0A: $ascii .= '\n'; break; case $ord_var_c == 0x0C: $ascii .= '\f'; break; case $ord_var_c == 0x0D: $ascii .= '\r'; break; case $ord_var_c == 0x22: case $ord_var_c == 0x2F: case $ord_var_c == 0x5C: // double quote, slash, slosh $ascii .= '\\'.$var[$c]; break; case (($ord_var_c >= 0x20) && ($ord_var_c <= 0x7F)): // characters U-00000000 - U-0000007F (same as ASCII) $ascii .= $var[$c]; break; case (($ord_var_c & 0xE0) == 0xC0): // characters U-00000080 - U-000007FF, mask 110XXXXX // see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8 if ($c+1 >= $strlen_var) { $c += 1; $ascii .= '?'; break; } $char = pack('C*', $ord_var_c, ord($var[$c + 1])); $c += 1; $utf16 = $this->Services_JSON::utf82utf16($char); $ascii .= sprintf('\u%04s', bin2hex($utf16)); break; case (($ord_var_c & 0xF0) == 0xE0): if ($c+2 >= $strlen_var) { $c += 2; $ascii .= '?'; break; } // characters U-00000800 - U-0000FFFF, mask 1110XXXX // see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8 $char = pack('C*', $ord_var_c, @ord($var[$c + 1]), @ord($var[$c + 2])); $c += 2; $utf16 = $this->Services_JSON::utf82utf16($char); $ascii .= sprintf('\u%04s', bin2hex($utf16)); break; case (($ord_var_c & 0xF8) == 0xF0): if ($c+3 >= $strlen_var) { $c += 3; $ascii .= '?'; break; } // characters U-00010000 - U-001FFFFF, mask 11110XXX // see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8 $char = pack('C*', $ord_var_c,