回答編集履歴
1
intvalを追加
test
CHANGED
|
@@ -55,3 +55,125 @@
|
|
|
55
55
|
*/
|
|
56
56
|
|
|
57
57
|
```
|
|
58
|
+
|
|
59
|
+
|
|
60
|
+
|
|
61
|
+
-------
|
|
62
|
+
|
|
63
|
+
|
|
64
|
+
|
|
65
|
+
【追記】
|
|
66
|
+
|
|
67
|
+
|
|
68
|
+
|
|
69
|
+
`intval`を`$rows`の各要素に適用すれば文字列が整数にキャストされ，そのタイミングで空文字列から`0`への変換が発生します。
|
|
70
|
+
|
|
71
|
+
|
|
72
|
+
|
|
73
|
+
```php
|
|
74
|
+
|
|
75
|
+
|
|
76
|
+
|
|
77
|
+
// ファイル名 (ここではオンメモリの擬似ファイルとします)
|
|
78
|
+
|
|
79
|
+
$filename = 'data:text/plain,' . urlencode("3 \"6\" 10\n1 \"\" 7\n");
|
|
80
|
+
|
|
81
|
+
|
|
82
|
+
|
|
83
|
+
$fp = fopen($filename, 'r');
|
|
84
|
+
|
|
85
|
+
while (false !== $before = fgetcsv($fp, 0, ' ')) {
|
|
86
|
+
|
|
87
|
+
$after = array_map('intval', $before);
|
|
88
|
+
|
|
89
|
+
var_dump(compact('before', 'after'));
|
|
90
|
+
|
|
91
|
+
}
|
|
92
|
+
|
|
93
|
+
|
|
94
|
+
|
|
95
|
+
/*
|
|
96
|
+
|
|
97
|
+
array(2) {
|
|
98
|
+
|
|
99
|
+
["before"]=>
|
|
100
|
+
|
|
101
|
+
array(3) {
|
|
102
|
+
|
|
103
|
+
[0]=>
|
|
104
|
+
|
|
105
|
+
string(1) "3"
|
|
106
|
+
|
|
107
|
+
[1]=>
|
|
108
|
+
|
|
109
|
+
string(1) "6"
|
|
110
|
+
|
|
111
|
+
[2]=>
|
|
112
|
+
|
|
113
|
+
string(2) "10"
|
|
114
|
+
|
|
115
|
+
}
|
|
116
|
+
|
|
117
|
+
["after"]=>
|
|
118
|
+
|
|
119
|
+
array(3) {
|
|
120
|
+
|
|
121
|
+
[0]=>
|
|
122
|
+
|
|
123
|
+
int(3)
|
|
124
|
+
|
|
125
|
+
[1]=>
|
|
126
|
+
|
|
127
|
+
int(6)
|
|
128
|
+
|
|
129
|
+
[2]=>
|
|
130
|
+
|
|
131
|
+
int(10)
|
|
132
|
+
|
|
133
|
+
}
|
|
134
|
+
|
|
135
|
+
}
|
|
136
|
+
|
|
137
|
+
array(2) {
|
|
138
|
+
|
|
139
|
+
["before"]=>
|
|
140
|
+
|
|
141
|
+
array(3) {
|
|
142
|
+
|
|
143
|
+
[0]=>
|
|
144
|
+
|
|
145
|
+
string(1) "1"
|
|
146
|
+
|
|
147
|
+
[1]=>
|
|
148
|
+
|
|
149
|
+
string(0) ""
|
|
150
|
+
|
|
151
|
+
[2]=>
|
|
152
|
+
|
|
153
|
+
string(1) "7"
|
|
154
|
+
|
|
155
|
+
}
|
|
156
|
+
|
|
157
|
+
["after"]=>
|
|
158
|
+
|
|
159
|
+
array(3) {
|
|
160
|
+
|
|
161
|
+
[0]=>
|
|
162
|
+
|
|
163
|
+
int(1)
|
|
164
|
+
|
|
165
|
+
[1]=>
|
|
166
|
+
|
|
167
|
+
int(0)
|
|
168
|
+
|
|
169
|
+
[2]=>
|
|
170
|
+
|
|
171
|
+
int(7)
|
|
172
|
+
|
|
173
|
+
}
|
|
174
|
+
|
|
175
|
+
}
|
|
176
|
+
|
|
177
|
+
*/
|
|
178
|
+
|
|
179
|
+
```
|