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    OCILob::erase

    (PHP 5, PHP 7, PHP 8, PECL OCI8 >= 1.1.0)

    OCILob::erase — Erases a specified portion of the internal LOB data

    说明

    public OCILob::erase(?int $offset = null, ?int $length = null): int|false

    Erases a specified portion of the internal LOB data starting at a specified offset. If called without parameters, it erases all LOB data.

    For BLOBs, erasing means that the existing LOB value is overwritten with zero-bytes. For CLOBs, the existing LOB value is overwritten with spaces.

    参数

    offset

    length

    返回值

    Returns the actual number of characters/bytes erased 或者在失败时返回 false.

    更新日志

    版本 说明
    8.0.0, PECL OCI8 3.0.0 offset and length are now nullable.
    8.0.0, PECL OCI8 3.0.0 The OCI-Lob class was renamed to OCILob to align with PHP naming standards.
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