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 */ print $a[0]; echo empty($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)
8.3.60.0070.00718.40
8.3.50.0030.01016.30
8.3.40.0140.00418.92
8.3.30.0100.00718.88
8.3.20.0040.00424.18
8.3.10.0090.00024.66
8.3.00.0030.00626.16
8.2.180.0170.00325.92
8.2.170.0090.00618.91
8.2.160.0070.00722.96
8.2.150.0040.00425.66
8.2.140.0030.00624.66
8.2.130.0000.00726.16
8.2.120.0080.00021.04
8.2.110.0030.00722.25
8.2.100.0080.00317.91
8.2.90.0070.00017.75
8.2.80.0000.00818.91
8.2.70.0020.00517.63
8.2.60.0030.00617.75
8.2.50.0090.00318.05
8.2.40.0070.00018.22
8.2.30.0040.00418.15
8.2.20.0070.00018.03
8.2.10.0050.00319.17
8.2.00.0030.00519.33
8.1.280.0040.01125.92
8.1.270.0000.00723.99
8.1.260.0000.00826.35
8.1.250.0000.00728.09
8.1.240.0050.00522.58
8.1.230.0080.00422.72
8.1.220.0060.00317.74
8.1.210.0080.00018.77
8.1.200.0050.00317.35
8.1.190.0060.00317.48
8.1.180.0060.00318.10
8.1.170.0050.00218.86
8.1.160.0000.00718.86
8.1.150.0070.00018.76
8.1.140.0000.00718.88
8.1.130.0030.00320.23
8.1.120.0030.00517.38
8.1.110.0030.00617.24
8.1.100.0040.00417.30
8.1.90.0040.00417.40
8.1.80.0030.00517.45
8.1.70.0030.00317.45
8.1.60.0060.00317.50
8.1.50.0000.00717.43
8.1.40.0050.00317.33
8.1.30.0070.00017.59
8.1.20.0030.00617.61
8.1.10.0050.00317.41
8.1.00.0040.00417.37
8.0.300.0040.00418.77
8.0.290.0080.00016.63
8.0.280.0000.00718.30
8.0.270.0030.00317.85
8.0.260.0070.00018.57
8.0.250.0040.00416.90
8.0.240.0030.00316.89
8.0.230.0020.00516.98
8.0.220.0070.00016.81
8.0.210.0000.00716.82
8.0.200.0030.00316.89
8.0.190.0060.00316.95
8.0.180.0050.00216.89
8.0.170.0000.00816.88
8.0.160.0070.00016.80
8.0.150.0000.00816.71
8.0.140.0060.00316.75
8.0.130.0000.00513.24
8.0.120.0050.00316.71
8.0.110.0050.00216.91
8.0.100.0000.00716.75
8.0.90.0040.00416.72
8.0.80.0070.01016.85
8.0.70.0000.00816.71
8.0.60.0000.00816.56
8.0.50.0040.00416.81
8.0.30.0080.01217.34
8.0.20.0330.01416.99
8.0.10.0130.01017.34
8.0.00.0160.00317.21
7.4.330.0000.00515.55
7.4.320.0000.00616.50
7.4.300.0000.00616.55
7.4.290.0070.00016.45
7.4.280.0090.00316.36
7.4.270.0030.00316.54
7.4.260.0000.00513.23
7.4.250.0050.00316.43
7.4.240.0070.00016.50
7.4.230.0040.00416.24
7.4.220.0020.00516.52
7.4.210.0080.00616.53
7.4.200.0000.00716.51
7.4.140.0080.01116.46
7.4.130.0090.00916.33
7.4.120.0090.00816.45
7.4.110.0110.00916.26
7.4.100.0120.00616.25
7.4.90.0080.00816.22
7.4.80.0080.00816.41
7.4.70.0030.01416.25
7.4.60.0160.00016.18
7.4.50.0000.01716.18
7.4.40.0140.00316.54
7.4.30.0090.00916.41
7.4.20.0090.01316.06
7.4.10.0030.01416.14
7.4.00.0120.00916.26
7.3.330.0070.00016.18
7.3.320.0050.00013.01
7.3.310.0040.00416.09
7.3.300.0070.00016.15
7.3.290.0070.00616.23
7.3.260.0080.01316.56
7.3.250.0030.01316.33
7.3.240.0040.01415.85
7.3.230.0100.00716.52
7.3.220.0030.01216.48
7.3.210.0140.00316.49
7.3.200.0070.01416.46
7.3.190.0120.00816.15
7.3.180.0040.01916.26
7.3.170.0080.00816.05
7.3.160.0100.00716.26
7.3.150.0100.01016.09
7.3.140.0100.01016.18
7.3.130.0100.00716.55
7.3.120.0100.00715.95
7.3.110.0090.00616.52
7.3.100.0080.00816.48
7.3.90.0040.01316.29
7.3.80.0080.00816.25
7.3.70.0090.00916.47
7.3.60.0030.01416.23
7.3.50.0100.00716.25
7.3.40.0110.01116.25
7.3.30.0170.00316.25
7.3.20.0220.00016.35
7.3.10.0100.01416.37
7.3.00.0140.01116.27

preferences:
63.63 ms | 400 KiB | 5 Q