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public
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isBoolean(mixed $value): bool
Check if a value is a boolean or boolean string
Check if a value is a boolean or boolean string
The following are regarded as boolean strings (case-insensitive):
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"1", "0"
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"on", "off"
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"true", "false"
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"y", "n"
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"yes", "no"
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"enable", "disable"
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"enabled", "disabled"
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public
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isInteger(mixed $value): bool
Check if a value is an integer or integer string
Check if a value is an integer or integer string
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public
static
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isFloat(mixed $value): bool
Check if a value is a float or float string
Check if a value is a float or float string
Returns false if $value is an integer string.
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public
static
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isNumericKey(mixed $value): bool
Check if a value is an integer or would be cast to an integer if used as
an array key
Check if a value is an integer or would be cast to an integer if used as
an array key
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public
static
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isDateString(mixed $value): bool
Check if a value is a valid date string
Check if a value is a valid date string
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public
static
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isStringable(mixed $value): bool
Check if a value is a string or Stringable
Check if a value is a string or Stringable
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public
static
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isBetween(int|float $value, int|float $min, int|float $max): bool
Check if a value is a number within a range
Check if a value is a number within a range
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public
static
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isBuiltinType(string $value): bool
Check if a value is a reserved PHP type
Check if a value is a reserved PHP type
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public
static
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isFqcn(mixed $value): bool
Check if a value is a valid PHP class name
Check if a value is a valid PHP class name
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