sqlite3IsNumber   323 ext/pdo_sqlite/sqlite/src/date.c   }else if( sqlite3IsNumber(zDate, 0, SQLITE_UTF8) ){
sqlite3IsNumber  1580 ext/pdo_sqlite/sqlite/src/sqliteInt.h int sqlite3IsNumber(const char*, int*, u8);
sqlite3IsNumber   209 ext/pdo_sqlite/sqlite/src/vdbe.c          && sqlite3IsNumber(pRec->z, &realnum, pRec->enc) ){