* Change test for php-cli mode in sample programs

caca-php/examples/cacainfo.php

@@ -46,8 +46,9 @@ EOT;
 }
 	
 
-if (!posix_isatty(STDOUT))
+if (php_sapi_name() != "cli") {
 	die("You have to run this program with php-cli!\n");
+}
 
 just_for_fun();
 

caca-php/examples/demo.php

@@ -361,8 +361,9 @@ function demo_render($cv, $bounds, $outline) {
 }
 
 
-if (!posix_isatty(STDOUT))
+if (php_sapi_name() != "cli") {
 	die("You have to run this program with php-cli!\n");
+}
 
 main();
 

caca-php/examples/dithering.php

@@ -11,21 +11,25 @@
  *  http://sam.zoy.org/wtfpl/COPYING for more details.
  */
 
-if (!posix_isatty(STDOUT))
+if (php_sapi_name() != "cli") {
 	die("You have to run this program with php-cli!\n");
+}
 
 $img = imagecreatefrompng(dirname(__FILE__)."/logo-caca.png");
-if (!$img) 
+if (!$img)  {
 	die("Can not open image.\n");
+}
 
 $dither = caca_create_dither($img);
-if (!$dither) 
+if (!$dither)  {
 	die("Can not create dither. Maybe you compiled caca-php without gd support.\n");
+}
 
 $canvas = caca_create_canvas(0, 0);
 $display = caca_create_display($canvas);
-if (!$display) 
+if (!$display)  {
 	die("Can not create display.\n");
+}
 
 caca_dither_bitmap($canvas, 0, 0, caca_get_canvas_width($canvas), caca_get_canvas_height($canvas), $dither, $img);
 caca_refresh_display($display);

caca-php/examples/figfont.php

@@ -23,8 +23,9 @@ function unistr_to_ords($str, $encoding = 'UTF-8'){
 	return $result;
 }
 
-if (!posix_isatty(STDOUT))
+if (php_sapi_name() != "cli") {
 	die("You have to run this program with php-cli!\n");
+}
 
 if ($argc < 3) {
 	die("Too few arguments.\nUsage: cmd <path of font> <utf8 string>\n");

caca-php/examples/polyline.php

@@ -18,8 +18,9 @@ function transform($tbl, $tx, $ty, $sx, $sy) {
 	return $result;
 }
 
-if (!posix_isatty(STDOUT))
+if (php_sapi_name() != "cli") {
 	die("You have to run this program with php-cli!\n");
+}
 
 $canvas = caca_create_canvas(0, 0);
 $display = caca_create_display($canvas);

caca-php/examples/text.php

@@ -15,8 +15,9 @@
  *  http://sam.zoy.org/wtfpl/COPYING for more details.
  */
 
-if (!posix_isatty(STDOUT))
+if (php_sapi_name() != "cli") {
 	die("You have to run this program with php-cli!\n");
+}
 
 $string =  <<<EOT
               |_|