diff --git a/textproc/pecl-yaml/Makefile b/textproc/pecl-yaml/Makefile
index 2df896461c49..6754ce80f06d 100644
--- a/textproc/pecl-yaml/Makefile
+++ b/textproc/pecl-yaml/Makefile
@@ -14,6 +14,6 @@ LICENSE_FILE=	${WRKSRC}/LICENSE
 LIB_DEPENDS=	libyaml.so:textproc/libyaml
 
 USES=		php:pecl
-IGNORE_WITH_PHP=	56 73
+IGNORE_WITH_PHP=	56
 
 .include <bsd.port.mk>
diff --git a/textproc/pecl-yaml/files/patch-emit.c b/textproc/pecl-yaml/files/patch-emit.c
new file mode 100644
index 000000000000..b636931b5ca5
--- /dev/null
+++ b/textproc/pecl-yaml/files/patch-emit.c
@@ -0,0 +1,123 @@
+https://github.com/php/pecl-file_formats-yaml/commit/a217a24a674adafd03a03382e0950cbb743ba9a8
+From a217a24a674adafd03a03382e0950cbb743ba9a8 Mon Sep 17 00:00:00 2001
+From: Remi Collet <remi@remirepo.net>
+Date: Wed, 4 Jul 2018 12:14:48 +0200
+Subject: [PATCH] Fix for PHP 7.3
+
+--- emit.c.orig	2017-07-29 21:56:18 UTC
++++ emit.c
+@@ -173,7 +173,11 @@ static void y_scan_recursion(const y_emit_state_t *sta
+ 		return;
+ 	}
+ 
++#if PHP_VERSION_ID >= 70300
++	if (!(GC_FLAGS(ht) & GC_IMMUTABLE) && GC_IS_RECURSIVE(ht)) {
++#else
+ 	if (ZEND_HASH_APPLY_PROTECTION(ht) && ht->u.v.nApplyCount > 0) {
++#endif
+ 		zval tmp;
+ 		ZVAL_LONG(&tmp, (zend_ulong) ht);
+ 
+@@ -182,17 +186,29 @@ static void y_scan_recursion(const y_emit_state_t *sta
+ 		return;
+ 	}
+ 
++#if PHP_VERSION_ID >= 70300
++	if (!(GC_FLAGS(ht) & GC_IMMUTABLE)) {
++		GC_PROTECT_RECURSION(ht);
++	}
++#else
+ 	if (ZEND_HASH_APPLY_PROTECTION(ht)) {
+ 		ht->u.v.nApplyCount++;
+ 	}
++#endif
+ 
+ 	ZEND_HASH_FOREACH_VAL(ht, elm) {
+ 		y_scan_recursion(state, elm TSRMLS_CC);
+ 	} ZEND_HASH_FOREACH_END();
+ 
++#if PHP_VERSION_ID >= 70300
++	if (!(GC_FLAGS(ht) & GC_IMMUTABLE)) {
++		GC_UNPROTECT_RECURSION(ht);
++	}
++#else
+ 	if (ZEND_HASH_APPLY_PROTECTION(ht)) {
+ 		ht->u.v.nApplyCount--;
+ 	}
++#endif
+ 
+ 	return;
+ }
+@@ -462,7 +478,6 @@ static int y_write_array(
+ 	zval key_zval;
+ 	zend_ulong kidx;
+ 	zend_string *kstr;
+-	HashTable *tmp_ht;
+ 	zend_long recursive_idx = -1;
+ 	char *anchor = { 0 };
+ 	size_t anchor_size;
+@@ -495,7 +510,11 @@ static int y_write_array(
+ 		anchor = (char*) emalloc(anchor_size + 1);
+ 		snprintf(anchor, anchor_size + 1, "refid%ld", recursive_idx + 1);
+ 
+-		if (ZEND_HASH_APPLY_PROTECTION(ht) && ht->u.v.nApplyCount > 1) {
++#if PHP_VERSION_ID >= 70300
++		if (!(GC_FLAGS(ht) & GC_IMMUTABLE) && GC_IS_RECURSIVE(ht)) {
++#else
++		if (ZEND_HASH_APPLY_PROTECTION(ht) && ht->u.v.nApplyCount > 0) {
++#endif
+ 			/* node has been visited before */
+ 			status = yaml_alias_event_initialize(
+ 					&event, (yaml_char_t *) anchor);
+@@ -536,6 +555,18 @@ static int y_write_array(
+ 		return FAILURE;
+ 	}
+ 
++#if PHP_VERSION_ID >= 70300
++	if (!(GC_FLAGS(ht) & GC_IMMUTABLE)) {
++		/* increment access count for hash */
++		GC_PROTECT_RECURSION(ht);
++	}
++#else
++	if (ZEND_HASH_APPLY_PROTECTION(ht)) {
++		/* increment access count for hash */
++		ht->u.v.nApplyCount++;
++	}
++#endif
++
+ 	/* emit array elements */
+ 	ZEND_HASH_FOREACH_KEY_VAL(ht, kidx, kstr, elm) {
+ 		ZVAL_DEREF(elm);
+@@ -555,23 +586,23 @@ static int y_write_array(
+ 			}
+ 		}
+ 
+-		tmp_ht = HASH_OF(elm);
+-		if (tmp_ht && ZEND_HASH_APPLY_PROTECTION(tmp_ht)) {
+-			/* increment access count for hash */
+-			tmp_ht->u.v.nApplyCount++;
+-		}
+-
+ 		status = y_write_zval(state, elm, NULL TSRMLS_CC);
+ 
+-		if (tmp_ht && ZEND_HASH_APPLY_PROTECTION(tmp_ht)) {
+-			tmp_ht->u.v.nApplyCount--;
+-		}
+ 
+ 		if (SUCCESS != status) {
+ 			return FAILURE;
+ 		}
+ 	} ZEND_HASH_FOREACH_END();
+ 
++#if PHP_VERSION_ID >= 70300
++	if (!(GC_FLAGS(ht) & GC_IMMUTABLE)) {
++		GC_UNPROTECT_RECURSION(ht);
++	}
++#else
++	if (ZEND_HASH_APPLY_PROTECTION(ht)) {
++		ht->u.v.nApplyCount--;
++	}
++#endif
+ 
+ 	if (Y_ARRAY_SEQUENCE == array_type) {
+ 		status = yaml_sequence_end_event_initialize(&event);