gdPngGetVersionString 1323 ext/gd/gd.c php_info_print_table_row(2, "libPNG Version", gdPngGetVersionString()); gdPngGetVersionString 6 ext/gd/gd_compat.h const char * gdPngGetVersionString(); gdPngGetVersionString 376 ext/gd/libgd/gd.h const char * gdPngGetVersionString();