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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
| Line | Code |
|---|---|
| 1215 | * Filters whether Signature Verification failures should be allowed to soft fail. |
| 1216 | * |
| 1217 | * WARNING: This may be removed from a future release. |
| 1218 | * |
| 1219 | * @since 5.2.0 |
| 1220 | * |
| 1221 | * @param bool $signature_softfail If a softfail is allowed. |
| 1222 | * @param string $url The url being accessed. |
| 1223 | */ |
| 1224 | apply_filters( 'wp_signature_softfail', true, $url ) |
| 1225 | ) { |
| 1226 | $signature_verification->add_data( $tmpfname, 'softfail-filename' ); |
| 1227 | } else { |
| 1228 | // Hard-fail. |
| 1229 | unlink( $tmpfname ); |
| 1230 | } |
| 1231 | |
| 1232 | return $signature_verification; |
| 1233 | } |