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functions.php ➔ delimitPattern()   A

Complexity

Conditions 1
Paths 1

Size

Total Lines 4
Code Lines 2

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 1
CRAP Score 1
Metric Value
cc 1
eloc 2
nc 1
nop 1
dl 0
loc 4
ccs 1
cts 1
cp 1
crap 1
rs 10
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<?php
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namespace League\JsonGuard;
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/**
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 * @param string $json
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 * @param bool   $assoc
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 * @param int    $depth
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 * @param int    $options
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 * @return mixed
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 * @throws \InvalidArgumentException
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 */
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function json_decode($json, $assoc = false, $depth = 512, $options = 0)
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{
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    $data = \json_decode($json, $assoc, $depth, $options);
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    if (json_last_error() !== JSON_ERROR_NONE) {
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        throw new \InvalidArgumentException(sprintf('Invalid JSON: %s', json_last_error_msg()));
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    }
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    return $data;
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}
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/**
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 * @param $string
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 * @return int
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 */
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function strlen($string)
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{
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    if (extension_loaded('intl')) {
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        return grapheme_strlen($string);
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    }
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    if (extension_loaded('mbstring')) {
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        return mb_strlen($string, mb_detect_encoding($string));
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    }
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    return strlen($string);
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}
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/**
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 * Returns the string representation of a value.
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 *
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 * @param mixed $value
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 * @return string
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 */
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function asString($value)
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{
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    if (is_string($value)) {
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        return $value;
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    }
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    if (is_int($value)) {
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        return (string)$value;
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    }
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    if (is_bool($value)) {
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        return $value ? '<TRUE>' : '<FALSE>';
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    }
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    if (is_object($value)) {
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        return get_class($value);
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    }
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    if (is_array($value)) {
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        return '<ARRAY>';
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    }
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    if (is_resource($value)) {
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        return '<RESOURCE>';
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    }
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    if (is_null($value)) {
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        return '<NULL>';
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    }
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    return '<UNKNOWN>';
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}
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/**
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 * Get the properties matching $pattern from the $data.
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 *
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 * @param string       $pattern
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 * @param array|object $data
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 * @return array
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 */
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function propertiesMatchingPattern($pattern, $data)
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{
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    // If an object is supplied, extract an array of the property names.
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    if (is_object($data)) {
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        $data = array_keys(get_object_vars($data));
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    }
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    return preg_grep(delimitPattern($pattern), $data);
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}
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/**
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 * Delimit a regular expression pattern.
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 *
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 * The regular expression syntax used for JSON schema is ECMA 262, from Javascript,
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 * and does not use delimiters.  Since the PCRE functions do, this function will
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 * delimit a pattern and escape the delimiter if found in the pattern.
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 *
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 * @see http://json-schema.org/latest/json-schema-validation.html#anchor6
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 * @see http://php.net/manual/en/regexp.reference.delimiters.php
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 *
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 * @param string $pattern
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 *
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 * @return string
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 */
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function delimitPattern($pattern)
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{
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    return '/' . str_replace('/', '\\/', $pattern) . '/';
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}
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