fix to use var_dump instead of echo

Author: SakiTakamachi

ext/standard/tests/math/bug24142.phpt

@@ -2,23 +2,65 @@
 Bug #24142 (round() problems)
 --FILE--
 <?php
-echo 'round(0.005, 2) -> '.round(0.005, 2)."\n";
-echo 'round(0.015, 2) -> '.round(0.015, 2)."\n";
-echo 'round(0.025, 2) -> '.round(0.025, 2)."\n";
-echo 'round(0.035, 2) -> '.round(0.035, 2)."\n";
-echo 'round(0.045, 2) -> '.round(0.045, 2)."\n";
-echo 'round(0.055, 2) -> '.round(0.055, 2)."\n";
-echo 'round(0.065, 2) -> '.round(0.065, 2)."\n";
-echo 'round(0.075, 2) -> '.round(0.075, 2)."\n";
-echo 'round(0.085, 2) -> '.round(0.085, 2)."\n";
+echo "round(0.005, 2)\n";
+var_dump(round(0.005, 2));
+echo "\n";
+
+echo "round(0.015, 2)\n";
+var_dump(round(0.015, 2));
+echo "\n";
+
+echo "round(0.025, 2)\n";
+var_dump(round(0.025, 2));
+echo "\n";
+
+echo "round(0.035, 2)\n";
+var_dump(round(0.035, 2));
+echo "\n";
+
+echo "round(0.045, 2)\n";
+var_dump(round(0.045, 2));
+echo "\n";
+
+echo "round(0.055, 2)\n";
+var_dump(round(0.055, 2));
+echo "\n";
+
+echo "round(0.065, 2)\n";
+var_dump(round(0.065, 2));
+echo "\n";
+
+echo "round(0.075, 2)\n";
+var_dump(round(0.075, 2));
+echo "\n";
+
+echo "round(0.085, 2)\n";
+var_dump(round(0.085, 2));
 ?>
 --EXPECT--
-round(0.005, 2) -> 0.01
-round(0.015, 2) -> 0.02
-round(0.025, 2) -> 0.03
-round(0.035, 2) -> 0.04
-round(0.045, 2) -> 0.05
-round(0.055, 2) -> 0.06
-round(0.065, 2) -> 0.07
-round(0.075, 2) -> 0.08
-round(0.085, 2) -> 0.09
+round(0.005, 2)
+float(0.01)
+
+round(0.015, 2)
+float(0.02)
+
+round(0.025, 2)
+float(0.03)
+
+round(0.035, 2)
+float(0.04)
+
+round(0.045, 2)
+float(0.05)
+
+round(0.055, 2)
+float(0.06)
+
+round(0.065, 2)
+float(0.07)
+
+round(0.075, 2)
+float(0.08)
+
+round(0.085, 2)
+float(0.09)