3v4l.org

run code in 300+ PHP versions simultaneously
<?php for ($k=1;$k<3;$k++) { ${'var'.$k} = 'foo'; } // so far so good $dbq = ''; for ($j=1;$j<3;$j++) { $dbq .= "stuff ${"var$j"} "; } echo $dbq;

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)
8.5.10.0090.00819.07
8.5.00.0070.00520.04
8.4.150.0000.00214.05
8.4.140.0150.00717.63
8.4.130.0150.00317.81
8.4.120.0040.00422.39
8.4.110.0110.00920.62
8.4.100.0110.00917.84
8.4.90.0120.00920.41
8.4.80.0150.00518.81
8.4.70.0070.00418.81
8.4.60.0080.01218.78
8.4.50.0100.01119.38
8.4.40.0120.00619.48
8.4.30.0080.00020.52
8.4.20.0090.00318.06
8.4.10.0060.00919.66
8.3.280.0090.01218.41
8.3.270.0130.01116.64
8.3.260.0110.00816.84
8.3.250.0110.00818.74
8.3.240.0090.01016.71
8.3.230.0090.01016.64
8.3.220.0110.00719.03
8.3.210.0030.00418.71
8.3.200.0070.00216.54
8.3.190.0050.00317.18
8.3.180.0090.01016.91
8.3.170.0090.00919.01
8.3.160.0080.00018.46
8.3.150.0150.00320.76
8.3.140.0090.00018.71
8.3.130.0030.00618.55
8.3.120.0000.00719.07
8.3.110.0150.00420.94
8.3.100.0040.00424.06
8.3.90.0110.00426.77
8.3.80.0070.00318.50
8.3.70.0110.00418.30
8.3.60.0060.01018.56
8.3.50.0160.00223.66
8.3.40.0070.01119.02
8.3.30.0110.00718.80
8.3.20.0040.00422.66
8.3.10.0050.00321.95
8.3.00.0040.00421.87
8.2.290.0160.00316.74
8.2.280.0100.00818.61
8.2.270.0030.01117.14
8.2.260.0050.00318.12
8.2.250.0040.00418.38
8.2.240.0090.00017.13
8.2.230.0000.00822.58
8.2.220.0030.00537.54
8.2.210.0040.00426.77
8.2.200.0110.00016.50
8.2.190.0070.01116.75
8.2.180.0170.00318.41
8.2.170.0060.00922.96
8.2.160.0070.00719.32
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0040.00426.16
8.2.110.0000.00922.18
8.2.100.0120.00018.03
8.2.90.0040.00417.97
8.2.80.0050.00319.28
8.2.70.0060.00317.75
8.2.60.0060.00317.50
8.2.50.0060.00318.05
8.2.40.0000.00718.16
8.2.30.0030.00319.43
8.2.20.0040.00418.18
8.2.10.0050.00219.32
8.2.00.0000.00719.24
8.1.330.0120.00715.95
8.1.320.0110.00815.94
8.1.310.0030.00618.56
8.1.300.0090.00018.56
8.1.290.0070.00430.84
8.1.280.0180.00025.92
8.1.270.0000.00820.64
8.1.260.0000.00826.35
8.1.250.0040.01128.09
8.1.240.0090.00023.97
8.1.230.0110.00022.50
8.1.220.0080.00017.74
8.1.210.0080.00018.77
8.1.200.0100.00017.35
8.1.190.0030.00617.35
8.1.180.0050.00318.10
8.1.170.0050.00319.26
8.1.160.0030.00318.88
8.1.150.0040.00418.90
8.1.140.0040.00420.76
8.1.130.0000.00720.18
8.1.120.0030.00317.49
8.1.110.0030.01017.46
8.1.100.0030.00617.47
8.1.90.0070.00017.35
8.1.80.0000.00817.46
8.1.70.0000.00717.37
8.1.60.0000.00817.55
8.1.50.0040.00417.53
8.1.40.0040.00417.52
8.1.30.0030.00517.66
8.1.20.0000.00817.67
8.1.10.0050.00317.47
8.1.00.0040.00417.33
8.0.300.0000.00720.16
8.0.290.0000.00816.75
8.0.280.0070.00018.45
8.0.270.0000.00717.89
8.0.260.0000.00719.99
8.0.250.0000.00716.84
8.0.240.0000.00716.95
8.0.230.0080.00016.86
8.0.220.0030.00316.88
8.0.210.0040.00416.80
8.0.200.0050.00216.92
8.0.190.0060.00316.84
8.0.180.0060.00316.89
8.0.170.0030.00816.94
8.0.160.0040.00416.78
8.0.150.0000.00816.88
8.0.140.0000.00716.89
8.0.130.0000.00613.29
8.0.120.0000.00816.81
8.0.110.0000.00816.83
8.0.100.0000.00717.00
8.0.90.0030.00616.95
8.0.80.0050.01216.82
8.0.70.0050.00316.75
8.0.60.0050.00316.94
8.0.50.0030.00616.92
8.0.30.0130.00317.04
8.0.20.0140.00417.27
8.0.10.0000.00717.01
8.0.00.0070.01116.73
7.4.330.0030.00316.74
7.4.320.0030.00316.52
7.4.300.0000.00616.51
7.4.290.0040.00416.55
7.4.280.0070.00016.35
7.4.270.0050.00316.63
7.4.260.0050.00013.31
7.4.250.0060.00316.51
7.4.240.0030.00316.49
7.4.230.0030.00316.48
7.4.220.0020.00516.55
7.4.210.0070.01016.55
7.4.200.0030.00516.33
7.4.140.0090.01217.86
7.4.130.0090.01416.48
7.4.120.0120.00616.55
7.4.110.0100.00716.63
7.4.100.0160.00616.63
7.4.90.0100.00716.46
7.4.80.0120.00919.39
7.4.70.0060.01316.49
7.4.60.0060.01716.35
7.4.50.0170.00016.66
7.4.40.0040.01216.59
7.4.20.0040.01316.59
7.4.10.0100.00716.63
7.4.00.0110.00816.57
7.3.330.0030.00316.31
7.3.320.0050.00013.07
7.3.310.0030.00316.13
7.3.300.0000.00716.30
7.3.290.0060.01116.39
7.3.280.0070.01416.25
7.3.260.0080.00816.42
7.3.230.0100.01316.61
7.3.210.0100.00716.44
7.3.200.0070.01016.53
7.3.190.0130.00416.50
7.3.180.0120.00616.46
7.3.170.0120.01016.39
7.3.160.0120.00316.54
7.3.140.0070.01016.53
7.3.130.0140.00716.61
7.3.120.0030.01716.32
7.3.110.0130.00916.20
7.3.100.0100.01016.32
7.3.90.0110.00616.45
7.3.80.0060.01616.28
7.3.70.0130.00716.28
7.3.60.0030.01416.46
7.3.50.0030.01316.32
7.3.40.0070.01416.32
7.3.30.0090.01216.27
7.3.20.0280.01016.31
7.3.10.0140.00716.29
7.3.00.0130.00316.50
7.2.330.0120.00616.48
7.2.320.0060.01216.74
7.2.310.0060.01216.68
7.2.300.0060.01416.41
7.2.290.0070.01316.83
7.2.270.0070.01016.79
7.2.260.0110.00916.79
7.2.250.0030.01516.51
7.2.240.0130.01016.49
7.2.230.0070.01016.75
7.2.220.0060.01116.34
7.2.210.0100.01116.59
7.2.200.0080.01216.52
7.2.190.0000.01716.59
7.2.180.0070.01516.57
7.2.170.0030.01916.58
7.2.160.0070.01016.73
7.2.150.0100.01316.63
7.2.140.0070.01116.50
7.2.130.0170.00816.69
7.2.120.0100.00716.65
7.2.110.0110.00716.62
7.2.100.0100.00816.73
7.2.90.0090.00916.68
7.2.80.0100.00716.43
7.2.70.0140.00616.54
7.2.60.0070.01116.57
7.2.50.0060.01216.53
7.2.40.0130.00316.71
7.2.30.0080.00816.56
7.2.20.0100.00616.53
7.2.10.0070.01016.56
7.2.00.0130.00716.69

preferences:
189.59 ms | 403 KiB | 5 Q