Changeset 43658
- Timestamp:
- 09/24/2018 08:56:30 PM (6 years ago)
- Location:
- trunk
- Files:
-
- 2 edited
Legend:
- Unmodified
- Added
- Removed
-
trunk/src/wp-includes/functions.php
r43657 r43658 6169 6169 6170 6170 /** 6171 * Get unique ID. 6172 * 6173 * This is a PHP implementation of Underscore's uniqueId method. A static variable 6174 * contains an integer that is incremented with each call. This number is returned 6175 * with the optional prefix. As such the returned value is not universally unique, 6176 * but it is unique across the life of the PHP process. 6177 * 6178 * @since 4.9.9 6179 * 6180 * @staticvar int $id_counter 6181 * 6182 * @param string $prefix Prefix for the returned ID. 6183 * @return string Unique ID. 6184 */ 6185 function wp_unique_id( $prefix = '' ) { 6186 static $id_counter = 0; 6187 return $prefix . (string) ++$id_counter; 6188 } 6189 6190 /** 6171 6191 * Get last changed date for the specified cache group. 6172 6192 * -
trunk/tests/phpunit/tests/functions.php
r43633 r43658 1119 1119 1120 1120 /** 1121 * Tests wp_unique_id(). 1122 * 1123 * @covers ::wp_unique_id 1124 * @ticket 44883 1125 */ 1126 function test_wp_unique_id() { 1127 1128 // Test without prefix. 1129 $ids = array(); 1130 for ( $i = 0; $i < 20; $i += 1 ) { 1131 $id = wp_unique_id(); 1132 $this->assertInternalType( 'string', $id ); 1133 $this->assertTrue( is_numeric( $id ) ); 1134 $ids[] = $id; 1135 } 1136 $this->assertEquals( $ids, array_unique( $ids ) ); 1137 1138 // Test with prefix. 1139 $ids = array(); 1140 for ( $i = 0; $i < 20; $i += 1 ) { 1141 $id = wp_unique_id( 'foo-' ); 1142 $this->assertRegExp( '/^foo-\d+$/', $id ); 1143 $ids[] = $id; 1144 } 1145 $this->assertEquals( $ids, array_unique( $ids ) ); 1146 } 1147 1148 /** 1121 1149 * @ticket 40017 1122 1150 * @dataProvider _wp_get_image_mime
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