diff --git a/Zend/Optimizer/zend_inference.c b/Zend/Optimizer/zend_inference.c
index bc55ceaefc3..af2bea0e112 100644
--- a/Zend/Optimizer/zend_inference.c
+++ b/Zend/Optimizer/zend_inference.c
@@ -2264,7 +2264,7 @@ static bool result_may_be_separated(zend_ssa *ssa, zend_ssa_op *ssa_op)
 	 && !ssa->vars[tmp_var].phi_use_chain) {
 		zend_ssa_op *use_op = &ssa->ops[ssa->vars[tmp_var].use_chain];
 
-		/* TODO: analize instructions between ssa_op and use_op */
+		/* TODO: analyze instructions between ssa_op and use_op */
 		if (use_op == ssa_op + 1) {
 			if ((use_op->op1_use == tmp_var && use_op->op1_use_chain < 0)
 			 || (use_op->op2_use == tmp_var && use_op->op2_use_chain < 0)) {
diff --git a/Zend/zend_inheritance.c b/Zend/zend_inheritance.c
index b45c16ef915..0f030d14217 100644
--- a/Zend/zend_inheritance.c
+++ b/Zend/zend_inheritance.c
@@ -3005,7 +3005,7 @@ ZEND_API zend_class_entry *zend_do_link_class(zend_class_entry *ce, zend_string
 		}
 
 		/* Normally Stringable is added during compilation. However, if it is imported from a trait,
-		 * we need to explicilty add the interface here. */
+		 * we need to explicitly add the interface here. */
 		if (ce->__tostring && !(ce->ce_flags & ZEND_ACC_TRAIT)
 			&& !zend_class_implements_interface(ce, zend_ce_stringable)) {
 			ZEND_ASSERT(ce->__tostring->common.fn_flags & ZEND_ACC_TRAIT_CLONE);
diff --git a/Zend/zend_object_handlers.c b/Zend/zend_object_handlers.c
index 37e566b0a74..6e0373d4f96 100644
--- a/Zend/zend_object_handlers.c
+++ b/Zend/zend_object_handlers.c
@@ -1193,7 +1193,7 @@ ZEND_API void zend_std_unset_property(zend_object *zobj, zend_string *name, void
 	if (zobj->ce->__unset) {
 		uint32_t *guard = zend_get_property_guard(zobj, name);
 		if (!((*guard) & IN_UNSET)) {
-			/* have unseter - try with it! */
+			/* have unsetter - try with it! */
 			(*guard) |= IN_UNSET; /* prevent circular unsetting */
 			zend_std_call_unsetter(zobj, name);
 			(*guard) &= ~IN_UNSET;
diff --git a/ext/exif/exif.c b/ext/exif/exif.c
index 19f5aafcfe2..83f88ff68d4 100644
--- a/ext/exif/exif.c
+++ b/ext/exif/exif.c
@@ -3298,7 +3298,7 @@ static bool exif_process_IFD_TAG_impl(image_info_type *ImageInfo, char *dir_entr
 				 * it is faster to use a static buffer there
 				 * BUT it offers also the possibility to have
 				 * pointers read without the need to free them
-				 * explicitley before returning. */
+				 * explicitly before returning. */
 				memset(&cbuf, 0, sizeof(cbuf));
 				value_ptr = cbuf;
 			}
@@ -3477,7 +3477,7 @@ static bool exif_process_IFD_TAG_impl(image_info_type *ImageInfo, char *dir_entr
 				switch (exif_convert_any_to_int(value_ptr, format, ImageInfo->motorola_intel)) {
 					case 1: ImageInfo->FocalplaneUnits = 25.4; break; /* inch */
 					case 2:
-						/* According to the information I was using, 2 measn meters.
+						/* According to the information I was using, 2 means meters.
 						   But looking at the Cannon powershot's files, inches is the only
 						   sensible value. */
 						ImageInfo->FocalplaneUnits = 25.4;
diff --git a/ext/ffi/ffi.c b/ext/ffi/ffi.c
index c09e65239f5..1398278662e 100644
--- a/ext/ffi/ffi.c
+++ b/ext/ffi/ffi.c
@@ -6592,7 +6592,7 @@ void zend_ffi_declare(const char *name, size_t name_len, zend_ffi_dcl *dcl) /* {
 				dcl->type = type; /* reset "owned" flag */
 				zend_hash_str_add_new_ptr(FFI_G(symbols), name, name_len, sym);
 			} else {
-				/* useless declarartion */
+				/* useless declaration */
 				zend_ffi_type_dtor(dcl->type);
 			}
 		}