PHP从安全的https url失败复制映像文件

Question

When running a copy command of a secured URL (Twilio) to the local server the new copied file is corrupted and always at the same size of 445 Kb

this stated to happen last month:

-rw-r--r-- 1 powercar powercar  110308 Feb 23 08:20 _0_20190223_082010.jpg
-rw-r--r-- 1 powercar powercar  512615 Mar  8 08:35 6880_0_20190308_083536.jpg
-rw-r--r-- 1 powercar powercar  608653 Mar 15 18:38 6957_0_20190315_183805.jpg
-rw-r--r-- 1 powercar powercar     236 Mar 21 07:17 7011_0_20190321_071752.jpg
-rw-r--r-- 1 powercar powercar     445 Mar 27 17:53 7085_0_20190327_175312.jpg
-rw-r--r-- 1 powercar powercar     445 Mar 27 17:53 7085_0_20190327_175354.jpg
-rw-r--r-- 1 powercar powercar     445 Mar 27 17:54 7085_0_20190327_175439.jpg
-rw-r--r-- 1 powercar powercar     445 Mar 27 17:58 7085_0_20190327_175849.jpg
-rw-r--r-- 1 powercar powercar     445 Mar 27 18:01 7085_0_20190327_180144.jpg
-rw-r--r-- 1 powercar powercar     445 Mar 27 18:01 7085_1_20190327_180144.jpg
-rw-r--r-- 1 powercar powercar     445 Mar 29 12:23 _0_20190329_122317.jpg
-rw-r--r-- 1 powercar powercar     445 Apr  9 11:12 7226_0_20190409_111213.jpg
-rw-r--r-- 1 powercar powercar     445 Apr  9 11:13 7226_0_20190409_111354.jpg
-rw-r--r-- 1 powercar powercar     445 Apr  9 14:11 7230_0_20190409_141152.jpg
drwxr-xr-x 4 powercar powercar    4096 Apr 22 10:31 ../
-rw-r--r-- 1 powercar powercar     445 Apr 22 13:16 _0_20190422_191644.jpg
-rw-r--r-- 1 powercar powercar     445 Apr 22 13:21 _0_20190422_192114.jpg
-rw-r--r-- 1 powercar powercar     445 Apr 22 13:24 _0_20190422_192407.jpg
-rw-r--r-- 1 powercar powercar     445 Apr 22 13:27 _0_20190422_192735.jpg
-rw-r--r-- 1 powercar powercar     445 Apr 22 13:30 _0_20190422_193049.jpg
-rw-r--r-- 1 powercar powercar     445 Apr 22 13:33 _0_20190422_193320.jpg
-rw-r--r-- 1 powercar powercar     445 Apr 22 13:34 _0_20190422_193400.jpg
-rw-r--r-- 1 powercar powercar     445 Apr 22 13:50 _0_20190422_195032.jpg

PHP command I use:

copy("$mediaUrl","./media/$mediaTargetFile");