3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo empty($a['dummyKey']);

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)
8.3.40.0030.01218.55
8.3.30.0140.00018.59
8.3.20.0080.00019.01
8.3.10.0050.00221.79
8.3.00.0040.00420.82
8.2.170.0030.00922.96
8.2.160.0100.00321.02
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00422.33
8.2.120.0040.00426.35
8.2.110.0040.00422.13
8.2.100.0040.00819.45
8.2.90.0040.00419.21
8.2.80.0080.00017.97
8.2.70.0040.00417.38
8.2.60.0000.00818.04
8.2.50.0050.00318.10
8.2.40.0000.00922.02
8.2.30.0000.00819.32
8.2.20.0040.00417.68
8.2.10.0050.00217.99
8.2.00.0050.00317.84
8.1.270.0040.00423.83
8.1.260.0040.00428.09
8.1.250.0000.00728.09
8.1.240.0090.00024.02
8.1.230.0090.00317.42
8.1.220.0040.00417.74
8.1.210.0060.00318.77
8.1.200.0080.00017.35
8.1.190.0090.00017.25
8.1.180.0030.00518.10
8.1.170.0040.00418.50
8.1.160.0040.00422.11
8.1.150.0070.00018.80
8.1.140.0040.00419.51
8.1.130.0030.00317.70
8.1.120.0000.00717.32
8.1.110.0040.00417.34
8.1.100.0030.00517.31
8.1.90.0000.00717.23
8.1.80.0040.00317.21
8.1.70.0030.00517.31
8.1.60.0070.00317.30
8.1.50.0030.00517.38
8.1.40.0040.00817.30
8.1.30.0080.00017.42
8.1.20.0030.00517.55
8.1.10.0080.00017.54
8.1.00.0000.00717.30
8.0.300.0070.00018.77
8.0.290.0040.00416.63
8.0.280.0030.00318.32
8.0.270.0030.00317.19
8.0.260.0060.00017.25
8.0.250.0090.00016.78
8.0.240.0040.00416.90
8.0.230.0030.00316.77
8.0.220.0020.00516.77
8.0.210.0080.00016.66
8.0.200.0000.00616.85
8.0.190.0070.00016.79
8.0.180.0000.00816.61
8.0.170.0070.00016.84
8.0.160.0070.00016.77
8.0.150.0000.00716.82
8.0.140.0030.00316.78
8.0.130.0030.00313.12
8.0.120.0080.00016.76
8.0.110.0000.00716.73
8.0.100.0070.00016.59
8.0.90.0000.00716.57
8.0.80.0000.01416.64
8.0.70.0030.00516.80
8.0.60.0040.00416.73
8.0.50.0050.00316.66
8.0.30.0100.00917.04
8.0.20.0080.01317.40
8.0.10.0000.00716.93
8.0.00.0080.01216.76
7.4.330.0020.00215.08
7.4.320.0000.00616.51
7.4.300.0000.00716.44
7.4.290.0060.00016.46
7.4.280.0050.00216.30
7.4.270.0030.00316.36
7.4.260.0090.00016.30
7.4.250.0080.00016.35
7.4.240.0070.00016.38
7.4.230.0040.00416.46
7.4.220.0100.00916.29
7.4.210.0130.00716.33
7.4.200.0070.00016.48
7.4.160.0090.01116.26
7.4.150.0120.00617.40
7.4.140.0090.00817.86
7.4.130.0090.01216.45
7.4.120.0100.00816.31
7.4.110.0030.01316.36
7.4.100.0130.00316.24
7.4.90.0100.01316.42
7.4.80.0000.01619.39
7.4.70.0120.00616.50
7.4.60.0140.00316.46
7.4.50.0100.00316.51
7.4.40.0100.00616.41
7.4.30.0030.01316.38
7.4.00.0030.01314.80
7.3.330.0000.00513.05
7.3.320.0060.00013.03
7.3.310.0030.00516.18
7.3.300.0000.00616.18
7.3.290.0060.00816.24
7.3.280.0080.01016.18
7.3.270.0120.00617.40
7.3.260.0140.00516.20
7.3.250.0090.00816.29
7.3.240.0080.00816.22
7.3.230.0040.01216.39
7.3.210.0100.00616.33
7.3.200.0130.00316.29
7.3.190.0100.00616.29
7.3.180.0070.01016.41
7.3.170.0140.00516.38
7.3.160.0070.01016.36
7.3.120.0060.01014.55
7.3.110.0050.01214.73
7.3.100.0100.00714.63
7.3.90.0040.00814.57
7.3.80.0070.00814.73
7.3.70.0050.01014.69
7.3.60.0060.00814.73
7.3.50.0050.01014.72
7.3.40.0070.00914.74
7.3.30.0040.00914.53
7.3.20.0080.00516.63
7.3.10.0090.00116.48
7.3.00.0070.00516.57
7.2.330.0140.00316.52
7.2.320.0090.00916.66
7.2.310.0060.01116.50
7.2.300.0090.01216.40
7.2.290.0130.00316.58
7.2.250.0060.01314.86
7.2.240.0070.01215.08
7.2.230.0070.00914.92
7.2.220.0070.00714.70
7.2.210.0070.00715.04
7.2.200.0030.01014.90
7.2.190.0050.00815.03
7.2.180.0030.01214.65
7.2.170.0080.00714.73
7.2.130.0000.01116.72
7.2.120.0080.00816.56
7.2.110.0080.00316.80
7.2.100.0030.00716.52
7.2.90.0100.00016.69
7.2.80.0000.01316.73
7.2.70.0040.00816.65
7.2.60.0060.00616.81
7.2.50.0080.00616.66
7.2.40.0100.00316.83
7.2.30.0030.00916.66
7.2.20.0080.00316.80
7.2.10.0100.00316.71
7.2.00.0020.01318.13
7.1.330.0080.00815.79
7.1.320.0030.00815.77
7.1.310.0050.00915.56
7.1.300.0090.00615.52
7.1.290.0040.01015.60
7.1.280.0070.00515.41
7.1.270.0060.00715.66
7.1.260.0060.00815.61
7.1.250.0040.00815.80
7.1.240.0040.01115.75
7.1.230.0060.00915.57
7.1.220.0070.00715.74
7.1.210.0030.01015.57
7.1.200.0090.00415.63
7.1.190.0030.01015.55
7.1.180.0100.00315.34
7.1.170.0090.00615.83
7.1.160.0060.00315.36
7.1.150.0030.01315.63
7.1.140.0030.01015.66
7.1.130.0030.00915.48
7.1.120.0040.00415.71
7.1.110.0030.00715.35
7.1.100.0050.00916.94
7.1.90.0070.00715.56
7.1.80.0030.01015.57
7.1.70.0030.00815.99
7.1.60.0050.00517.73
7.1.50.0030.00615.50
7.1.40.0030.00715.60
7.1.30.0060.00315.59
7.1.20.0030.00715.68
7.1.10.0040.01115.78
7.1.00.0050.04318.93
7.0.330.0080.00814.98
7.0.320.0060.00614.97
7.0.310.0040.00414.93
7.0.300.0060.00614.86
7.0.290.0030.00515.08
7.0.280.0030.00615.12
7.0.270.0060.00314.85
7.0.260.0060.00615.33
7.0.250.0040.01115.19
7.0.240.0000.00715.19
7.0.230.0150.00014.96
7.0.220.0000.00714.92
7.0.210.0050.00315.29
7.0.200.0170.00814.93
7.0.190.0060.00615.31
7.0.180.0000.01015.00
7.0.170.0030.00615.26
7.0.160.0070.00715.26
7.0.150.0090.00615.20
7.0.140.0000.01015.07
7.0.130.0030.01014.88
7.0.120.0080.00015.13
7.0.110.0030.00715.22
7.0.100.0050.03717.51
7.0.90.0140.03217.54
7.0.80.0020.03717.71
7.0.70.0080.03017.53
7.0.60.0090.03017.69
7.0.50.0080.03017.91
7.0.40.0070.03216.85
7.0.30.0120.03216.78
7.0.20.0130.03016.68
7.0.10.0100.02716.87
7.0.00.0090.02916.66
5.6.380.0000.01314.38
5.6.370.0030.01014.07
5.6.360.0080.00413.98
5.6.350.0100.00314.28
5.6.340.0030.00913.89
5.6.330.0030.00613.98
5.6.320.0090.00314.11
5.6.310.0030.01214.13
5.6.300.0060.00614.18
5.6.290.0070.00313.84
5.6.280.0050.00314.37
5.6.270.0030.01014.30
5.6.260.0110.00414.41
5.6.250.0100.02917.46
5.6.240.0020.03717.22
5.6.230.0080.03517.55
5.6.220.0060.03917.24
5.6.210.0040.03417.29
5.6.200.0050.03417.62
5.6.190.0080.03017.53
5.6.180.0050.03117.45
5.6.170.0120.02817.58
5.6.160.0070.03317.57
5.6.150.0120.03317.59
5.6.140.0090.03017.67
5.6.130.0090.03217.67
5.6.120.0080.04117.49
5.6.110.0020.03517.63
5.6.100.0060.03617.82
5.6.90.0120.03517.57
5.6.80.0100.03717.31
5.6.70.0070.03417.28
5.6.60.0070.03217.28
5.6.50.0120.03517.25
5.6.40.0090.03117.37
5.6.30.0100.02617.18
5.6.20.0080.02917.25
5.6.10.0080.03117.27
5.6.00.0120.02417.16

preferences:
50.31 ms | 400 KiB | 5 Q