SMRTR ProgrammingApr 19, 2026Daily.dev

Mastering the (array) Cast Operator in PHP

SMRTR summary

PHP's (array) cast operator transforms various data types into arrays, handling scalars, objects, null values, and existing arrays. The operator converts simple values to single-element arrays, preserves existing arrays unchanged, and transforms object properties to array indices. Special formatting applies to protected and private properties, though the operator doesn't work recursively.

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