Returns true on success or false on failure

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이 문서는 화면 또는 로그에 표시된 Returns true on success or false on failure 문구가 PHP Group 공식 원문의 항목과 일치하는지 확인합니다.

원문 발췌

age. Parameters imageA GdImage object, returned by one of the image creation functions, such as imagecreatetruecolor(). file The path or an open stream resource (which is automatically closed after this function returns) to save the file to. If not set or null, the raw image stream will be output directly. quality quality is optional, and ranges from 0 (worst quality, smaller file) to 100 (best quality, biggest file). The default (-1) uses the default IJG quality value (about 75). Return Values Returns true on success or false on failure. CautionHowever, if libgd fails to output the image, this function returns true. Errors/Exceptions Throws a ValueError if quality is invalid. Changelog Version Description 8.4.0 Now throws a ValueError if quality is invalid. 8.0.0 image expects a GdImage instance now; previously, a valid gd resource was expected. Examples Example #1 Outputting a JPEG image to the browser The above example will output something similar to: Example #2 Saving a JPEG image to a file Example #3 Outputting the image at 75% quality to the browser Notes Note: If you want to output Progressive JPEGs, you need to set interlacing on with imageinterlace(). See Also imagepng() - Output a PNG image to either the browser or a file imagegif() - Output image to browser or file imagewbmp() - Output image to browser or file imageinterlace() - Enable or disable interlace imagetypes() - Return the image types supported by this PHP build Found A Problem? Learn How To Improve This Page • Submit a Pull Request • Report a Bug ＋add a note User Contributed Notes 34 notes up down 43 Ray.Paseur sometimes uses Gmail ¶15 years ago If string $filename is given and it exists, it will be overwritten. up down 36 francesco@essensys ¶17 years ago I didn't find any example like this on the Web, so I mixed pieces together.. hope this will save time to other people! Here's a complete solution to READ any image (gif jpg png) from the FILESYSTEM, SCALE it to a max width/height, SAVE the scaled image to a BLOB field keeping

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주의

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