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<runkit7 Functionsrunkit7_constant_redefine>
^runkit7 FunctionsLast updated: Mon, 26 Oct 2026

runkit7_constant_add

(PECL runkit7 >= Unknown)

runkit7_constant_add — Similar to define(), but allows defining in class definitions as well

Description

function runkit7_constant_add(string $constant_name, mixed $value, int $newVisibility = ?): bool

Parameters

constant_name

Name of constant to declare. Either a string to indicate a global constant, or classname::constname to indicate a class constant.

value

NULL, Bool, Long, Double, String, Array, or Resource value to store in the new constant.

newVisibility

Visibility of the constant, for class constants. Public by default. One of the RUNKIT7_ACC_* constants.

Return Values

Returns true on success or false on failure.

See Also


<runkit7 Functionsrunkit7_constant_redefine>
^runkit7 FunctionsLast updated: Mon, 26 Oct 2026