DaveChild /
Text-Statistics
| @@ 226-261 (lines=36) @@ | ||
| 223 | * @param boolean|string $strText Text to be checked |
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| 224 | * @return int|float |
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| 225 | */ |
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| 226 | public function colemanLiauIndex($strText = false) |
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| 227 | { |
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| 228 | $strText = $this->setText($strText); |
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| 229 | ||
| 230 | $score = Maths::bcCalc( |
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| 231 | Maths::bcCalc( |
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| 232 | Maths::bcCalc( |
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| 233 | 5.89, |
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| 234 | '*', |
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| 235 | Maths::bcCalc( |
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| 236 | Text::letterCount($strText, $this->strEncoding), |
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| 237 | '/', |
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| 238 | Text::wordCount($strText, $this->strEncoding) |
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| 239 | ) |
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| 240 | ), |
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| 241 | '-', |
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| 242 | Maths::bcCalc( |
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| 243 | 0.3, |
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| 244 | '*', |
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| 245 | Maths::bcCalc( |
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| 246 | Text::sentenceCount($strText, $this->strEncoding), |
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| 247 | '/', |
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| 248 | Text::wordCount($strText, $this->strEncoding) |
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| 249 | ) |
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| 250 | ) |
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| 251 | ), |
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| 252 | '-', |
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| 253 | 15.8 |
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| 254 | ); |
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| 255 | ||
| 256 | if ($this->normalise) { |
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| 257 | return Maths::normaliseScore($score, 0, $this->maxGradeLevel, $this->dps); |
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| 258 | } else { |
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| 259 | return Maths::bcCalc($score, '+', 0, true, $this->dps); |
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| 260 | } |
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| 261 | } |
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| 262 | ||
| 263 | /** |
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| 264 | * Gives the SMOG Index of text entered rounded to one digit |
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| @@ 306-341 (lines=36) @@ | ||
| 303 | * @param boolean|string $strText Text to be checked |
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| 304 | * @return int|float |
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| 305 | */ |
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| 306 | public function automatedReadabilityIndex($strText = false) |
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| 307 | { |
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| 308 | $strText = $this->setText($strText); |
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| 309 | ||
| 310 | $score = Maths::bcCalc( |
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| 311 | Maths::bcCalc( |
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| 312 | 4.71, |
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| 313 | '*', |
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| 314 | Maths::bcCalc( |
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| 315 | Text::letterCount($strText, $this->strEncoding), |
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| 316 | '/', |
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| 317 | Text::wordCount($strText, $this->strEncoding) |
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| 318 | ) |
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| 319 | ), |
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| 320 | '+', |
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| 321 | Maths::bcCalc( |
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| 322 | Maths::bcCalc( |
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| 323 | 0.5, |
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| 324 | '*', |
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| 325 | Maths::bcCalc( |
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| 326 | Text::wordCount($strText, $this->strEncoding), |
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| 327 | '/', |
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| 328 | Text::sentenceCount($strText, $this->strEncoding) |
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| 329 | ) |
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| 330 | ), |
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| 331 | '-', |
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| 332 | 21.43 |
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| 333 | ) |
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| 334 | ); |
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| 335 | ||
| 336 | if ($this->normalise) { |
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| 337 | return Maths::normaliseScore($score, 0, $this->maxGradeLevel, $this->dps); |
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| 338 | } else { |
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| 339 | return Maths::bcCalc($score, '+', 0, true, $this->dps); |
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| 340 | } |
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| 341 | } |
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| 342 | ||
| 343 | /** |
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| 344 | * Gives the Dale-Chall readability score of text entered rounded to one digit |
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| @@ 348-383 (lines=36) @@ | ||
| 345 | * @param boolean|string $strText Text to be checked |
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| 346 | * @return int|float |
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| 347 | */ |
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| 348 | public function daleChallReadabilityScore($strText = false) |
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| 349 | { |
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| 350 | $strText = $this->setText($strText); |
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| 351 | ||
| 352 | $score = Maths::bcCalc( |
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| 353 | Maths::bcCalc( |
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| 354 | 0.1579, |
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| 355 | '*', |
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| 356 | Maths::bcCalc( |
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| 357 | 100, |
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| 358 | '*', |
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| 359 | Maths::bcCalc( |
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| 360 | $this->daleChallDifficultWordCount($strText), |
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| 361 | '/', |
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| 362 | Text::wordCount($strText, $this->strEncoding) |
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| 363 | ) |
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| 364 | ) |
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| 365 | ), |
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| 366 | '+', |
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| 367 | Maths::bcCalc( |
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| 368 | 0.0496, |
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| 369 | '*', |
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| 370 | Maths::bcCalc( |
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| 371 | Text::wordCount($strText, $this->strEncoding), |
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| 372 | '/', |
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| 373 | Text::sentenceCount($strText, $this->strEncoding) |
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| 374 | ) |
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| 375 | ) |
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| 376 | ); |
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| 377 | ||
| 378 | if ($this->normalise) { |
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| 379 | return Maths::normaliseScore($score, 0, 10, $this->dps); |
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| 380 | } else { |
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| 381 | return Maths::bcCalc($score, '+', 0, true, $this->dps); |
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| 382 | } |
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| 383 | } |
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| 384 | ||
| 385 | /** |
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| 386 | * Gives the Spache readability score of text entered rounded to one digit |
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