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Source View: {$field}_pre

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Line Code
2212                 * Filter the value of a specific post field before saving.
2213                 *
2214                 * The dynamic portion of the hook name, `$field`, refers to the post
2215                 * field name.
2216                 *
2217                 * @since 2.3.0
2218                 *
2219                 * @param mixed $value Value of the post field.
2220                 */
2221                $value = apply_filters( "{$field}_pre", $value );
2222           }
2223      } else {
2224
2225           // Use display filters by default.
2226           if ( $prefixed ) {
2227
2228                /**
2229                 * Filter the value of a specific post field for display.
2230                 *