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[skip ci] Document HASH_ constants #16806

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Nov 18, 2024
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[skip ci] Document HASH_ constants #16806

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13 changes: 7 additions & 6 deletions Zend/zend_hash.h
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Original file line number Diff line number Diff line change
Expand Up @@ -30,12 +30,13 @@
#define HASH_KEY_IS_LONG 2
#define HASH_KEY_NON_EXISTENT 3

#define HASH_UPDATE (1<<0)
#define HASH_ADD (1<<1)
#define HASH_UPDATE_INDIRECT (1<<2)
#define HASH_ADD_NEW (1<<3)
#define HASH_ADD_NEXT (1<<4)
#define HASH_LOOKUP (1<<5)
#define HASH_UPDATE (1<<0) /* Create new entry, or update the existing one. */
#define HASH_ADD (1<<1) /* Create new entry, or fail if it exists. */
#define HASH_UPDATE_INDIRECT (1<<2) /* If the given ht entry is an indirect zval, unwrap it before writing to it. \
* When used with HASH_ADD, writing is allowed if the target zval is IS_UNDEF. */
#define HASH_ADD_NEW (1<<3) /* Used when the offset is known not to exist. */
#define HASH_ADD_NEXT (1<<4) /* Append to an array. (e.g. $array[] = 42;) */
#define HASH_LOOKUP (1<<5) /* Look up an existing entry, or create one with a NULL value. */

#define HASH_FLAG_CONSISTENCY ((1<<0) | (1<<1))
#define HASH_FLAG_PACKED (1<<2)
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