Checking Your Configuration with gd_info()
Although the GD library is bundled with PHP, some features (such as JPEG support, for example) require external libraries. You can see which features PHP is compiled to support with the gd_info() function. gd_info() requires no arguments and returns an associative array describing your GD setup. Table 15.1 lists the elements of the array returned by gd_info().
| Element | Description |
|---|---|
| GD Version | The version of GD used; bundled (2.0.15 compatible), for example |
| FreeType Support | Whether FreeType fonts are supported (0 or 1) |
| FreeType Linkage | The library used to provide FreeType functionality; with TTF library, for example. |
| T1Lib Support | Support for Type 1 fonts |
| GIF Read Support ... |
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