3v4l.org

run code in 300+ PHP versions simultaneously
<?php //PHPの関数 //様々な関数 $a[0] = "000"; //empty関数 /*以下の場合にTRUE ・空白の数値 ・NULLやFALSE ・変数が定義されただけの状態 ・文字列の半角の0 ・配列、数値の0 */ echo $a[0]; echo empty($a).PHP_EOL;

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.60.0140.00018.06
8.3.50.0070.00716.64
8.3.40.0060.01118.79
8.3.30.0100.00718.84
8.3.20.0070.00024.18
8.3.10.0070.00324.66
8.3.00.0040.00426.16
8.2.180.0090.01225.92
8.2.170.0040.01518.95
8.2.160.0030.01022.96
8.2.150.0080.00025.66
8.2.140.0070.00024.66
8.2.130.0050.00326.16
8.2.120.0050.00226.35
8.2.110.0050.00520.44
8.2.100.0120.00019.57
8.2.90.0060.00317.88
8.2.80.0060.00618.75
8.2.70.0080.00017.75
8.2.60.0080.00017.75
8.2.50.0040.00418.05
8.2.40.0000.00718.16
8.2.30.0000.00818.05
8.2.20.0040.00418.20
8.2.10.0040.00419.13
8.2.00.0000.00819.27
8.1.280.0060.00825.92
8.1.270.0060.00323.99
8.1.260.0080.00028.09
8.1.250.0040.00428.09
8.1.240.0060.00323.84
8.1.230.0110.00020.90
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0060.00317.35
8.1.190.0030.00617.23
8.1.180.0030.00518.10
8.1.170.0000.00818.94
8.1.160.0040.00418.74
8.1.150.0000.00718.83
8.1.140.0070.00018.70
8.1.130.0000.00720.06
8.1.120.0050.00217.39
8.1.110.0040.00417.40
8.1.100.0000.00717.30
8.1.90.0000.00717.29
8.1.80.0040.00417.40
8.1.70.0000.00717.35
8.1.60.0000.00717.41
8.1.50.0080.00017.46
8.1.40.0070.00017.36
8.1.30.0030.00617.48
8.1.20.0050.00317.50
8.1.10.0040.00417.52
8.1.00.0070.00017.46
8.0.300.0000.00718.77
8.0.290.0040.00416.75
8.0.280.0000.00718.43
8.0.270.0030.00317.82
8.0.260.0000.00618.56
8.0.250.0020.00516.89
8.0.240.0030.00316.94
8.0.230.0000.00716.78
8.0.220.0030.00316.80
8.0.210.0040.00416.84
8.0.200.0070.00016.88
8.0.190.0000.00816.93
8.0.180.0080.00016.73
8.0.170.0060.00316.76
8.0.160.0040.00416.80
8.0.150.0070.00016.70
8.0.140.0000.00716.76
8.0.130.0070.00013.30
8.0.120.0000.00816.77
8.0.110.0080.00016.65
8.0.100.0000.00716.77
8.0.90.0040.00416.86
8.0.80.0100.00616.81
8.0.70.0040.00416.83
8.0.60.0000.00716.72
8.0.50.0040.00416.65
8.0.30.0100.01017.18
8.0.20.0120.01116.94
8.0.10.0090.00917.03
8.0.00.0090.00917.07
7.4.330.0030.00315.55
7.4.320.0070.00016.59
7.4.300.0030.00316.40
7.4.290.0040.00416.28
7.4.280.0110.00016.52
7.4.270.0030.00316.54
7.4.260.0050.00013.20
7.4.250.0040.00416.30
7.4.240.0000.00716.30
7.4.230.0030.00316.57
7.4.220.0030.00316.51
7.4.210.0070.00816.57
7.4.200.0040.00416.38
7.4.140.0090.00816.44
7.4.130.0060.00916.48
7.4.120.0100.00716.32
7.4.110.0090.00616.16
7.4.100.0070.01316.34
7.4.90.0100.00616.63
7.4.80.0110.00616.54
7.4.70.0080.00816.32
7.4.60.0070.01116.24
7.4.50.0070.01016.13
7.4.40.0170.00316.62
7.4.30.0100.00716.23
7.4.20.0110.00616.48
7.4.10.0070.01115.99
7.4.00.0150.00316.54
7.3.330.0070.00016.10
7.3.320.0020.00213.02
7.3.310.0040.00416.29
7.3.300.0040.00416.25
7.3.290.0080.00716.27
7.3.260.0140.00316.29
7.3.250.0100.00716.37
7.3.240.0130.00415.93
7.3.230.0090.00916.49
7.3.220.0080.01116.25
7.3.210.0140.00516.49
7.3.200.0110.00716.34
7.3.190.0080.00816.25
7.3.180.0100.00716.23
7.3.170.0070.01016.19
7.3.160.0060.01016.47
7.3.150.0060.01016.22
7.3.140.0120.00616.08
7.3.130.0120.00616.18
7.3.120.0140.00515.99
7.3.110.0120.00616.27
7.3.100.0100.00716.36
7.3.90.0000.01616.32
7.3.80.0170.00316.30
7.3.70.0120.00716.42
7.3.60.0130.00316.35
7.3.50.0120.00616.17
7.3.40.0090.00916.40
7.3.30.0060.01116.33
7.3.20.0120.00616.48
7.3.10.0030.01716.39
7.3.00.0110.01116.25

preferences:
56.11 ms | 401 KiB | 5 Q