3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array( 'one' => 1, 'two' => 2 ); var_dump(empty($a['three']));

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)
8.3.60.0140.00016.63
8.3.50.0170.00322.04
8.3.40.0110.00418.48
8.3.30.0140.00018.96
8.3.20.0080.00020.21
8.3.10.0040.00423.43
8.3.00.0080.00319.26
8.2.180.0070.01118.16
8.2.170.0030.01722.96
8.2.160.0130.00020.39
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0110.00726.16
8.2.120.0080.00022.26
8.2.110.0060.00322.19
8.2.100.0000.01217.91
8.2.90.0060.00319.20
8.2.80.0080.00017.97
8.2.70.0050.00317.60
8.2.60.0040.00418.16
8.2.50.0050.00318.07
8.2.40.0040.00418.16
8.2.30.0040.00418.11
8.2.20.0040.00417.66
8.2.10.0000.00819.66
8.2.00.0000.00817.55
8.1.280.0110.00425.92
8.1.270.0030.00622.00
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0000.00823.74
8.1.230.0070.00419.02
8.1.220.0040.00417.74
8.1.210.0000.00918.77
8.1.200.0000.00817.23
8.1.190.0000.00717.40
8.1.180.0050.00318.10
8.1.170.0030.00518.50
8.1.160.0030.00321.85
8.1.150.0000.00718.48
8.1.140.0040.00417.43
8.1.130.0070.00017.80
8.1.120.0030.00317.41
8.1.110.0000.00717.38
8.1.100.0030.00317.43
8.1.90.0030.00317.42
8.1.80.0000.00817.32
8.1.70.0000.00717.26
8.1.60.0050.00317.39
8.1.50.0000.00917.35
8.1.40.0000.00717.46
8.1.30.0000.00817.54
8.1.20.0000.00817.55
8.1.10.0050.00317.51
8.1.00.0040.00417.43
8.0.300.0040.00418.77
8.0.290.0040.00417.05
8.0.280.0030.00618.38
8.0.270.0000.00817.18
8.0.260.0060.00017.05
8.0.250.0000.00716.89
8.0.240.0030.00316.93
8.0.230.0000.00716.95
8.0.220.0000.00716.72
8.0.210.0030.00316.82
8.0.200.0000.00616.92
8.0.190.0040.00416.89
8.0.180.0030.00316.80
8.0.170.0040.00416.80
8.0.160.0070.00016.77
8.0.150.0040.00316.78
8.0.140.0030.00416.78
8.0.130.0030.00313.20
8.0.120.0040.00416.80
8.0.110.0040.00416.84
8.0.100.0000.00716.66
8.0.90.0080.00016.71
8.0.80.0040.01116.84
8.0.70.0050.00316.64
8.0.60.0040.00416.82
8.0.50.0060.00316.68
8.0.30.0090.01017.02
8.0.20.0140.00917.40
8.0.10.0040.00417.00
8.0.00.0080.00916.80
7.4.330.0000.00615.00
7.4.320.0060.00016.38
7.4.300.0060.00016.46
7.4.290.0030.00316.50
7.4.280.0060.00016.41
7.4.270.0050.00316.51
7.4.260.0090.00016.38
7.4.250.0040.00416.50
7.4.240.0020.00516.48
7.4.230.0000.00716.43
7.4.220.0160.00316.53
7.4.210.0040.01216.56
7.4.200.0040.00416.56
7.4.190.0070.00016.53
7.4.160.0130.00316.11
7.4.150.0120.00617.40
7.4.140.0050.01117.86
7.4.130.0100.00616.34
7.4.120.0070.01116.48
7.4.110.0030.01316.36
7.4.100.0120.00616.30
7.4.90.0170.00616.32
7.4.80.0100.00719.39
7.4.70.0060.01016.25
7.4.60.0070.01016.46
7.4.50.0060.00316.43
7.4.40.0110.00722.77
7.4.30.0080.00816.52
7.4.00.0060.00914.89
7.3.330.0070.00013.03
7.3.320.0000.00512.98
7.3.310.0030.00316.02
7.3.300.0000.00716.14
7.3.290.0130.00616.14
7.3.280.0060.01316.21
7.3.270.0070.01117.40
7.3.260.0150.00616.39
7.3.250.0100.01016.33
7.3.240.0060.01016.07
7.3.230.0140.00316.39
7.3.210.0030.01416.43
7.3.200.0070.01319.39
7.3.190.0180.00316.13
7.3.180.0030.01316.17
7.3.170.0100.00616.27
7.3.160.0030.01316.39
7.3.120.0070.01014.45
7.2.330.0170.00616.61
7.2.320.0170.00616.23
7.2.310.0080.00816.29
7.2.300.0090.01216.50
7.2.290.0040.01416.29
7.2.60.0090.00616.82
7.1.200.0090.00315.71
7.1.70.0040.00416.73
7.1.60.0040.01919.33
7.1.50.0110.01116.46
7.1.00.0070.07322.31
7.0.200.0000.00716.68
7.0.140.0070.07022.13
7.0.100.0400.07319.94
7.0.90.0000.05019.85
7.0.80.0030.08719.84
7.0.70.0300.06319.79
7.0.60.0270.07319.91
7.0.50.0070.09320.29
7.0.40.0100.05019.94
7.0.30.0000.05320.12
7.0.20.0130.03720.10
7.0.10.0070.08720.04
7.0.00.0100.08320.02
5.6.280.0070.07020.90
5.6.250.0130.05720.47
5.6.240.0200.07320.56
5.6.230.0100.07320.64
5.6.220.0070.08720.62
5.6.210.0070.05320.57
5.6.200.0100.05021.00
5.6.190.0130.07021.04
5.6.180.0030.05721.02
5.6.170.0130.08021.04
5.6.160.0000.08021.07
5.6.150.0030.08721.01
5.6.140.0070.06021.02
5.6.130.0070.08721.07
5.6.120.0170.07021.07
5.6.110.0030.06320.91
5.6.100.0070.08021.00
5.6.90.0170.08021.14
5.6.80.0170.07020.36
5.6.70.0070.07720.26
5.6.60.0100.06720.32
5.6.50.0100.07320.43
5.6.40.0030.04720.36
5.6.30.0130.07020.38
5.6.20.0030.07720.52
5.6.10.0130.07320.43
5.6.00.0130.07720.39
5.5.380.0030.04720.29
5.5.370.0030.05020.39
5.5.360.0030.09020.29
5.5.350.0030.09320.36
5.5.340.0200.07720.87
5.5.330.0100.08020.78
5.5.320.0030.05720.91
5.5.310.0100.07720.89
5.5.300.0170.07020.73
5.5.290.0100.07720.88
5.5.280.0100.07320.87
5.5.270.0130.07320.76
5.5.260.0130.06320.61
5.5.250.0200.06720.71
5.5.240.0100.07720.29
5.5.230.0100.07020.16
5.5.220.0030.04720.28
5.5.210.0030.04320.20
5.5.200.0030.07320.26
5.5.190.0070.07320.16
5.5.180.0100.04020.23
5.5.160.0030.08320.13
5.5.150.0000.05020.26
5.5.140.0070.04020.14
5.5.130.0100.09020.18
5.5.120.0070.04720.25
5.5.110.0070.07020.09
5.5.100.0070.04320.16
5.5.90.0130.07020.14
5.5.80.0070.07720.07
5.5.70.0000.07320.13
5.5.60.0100.07020.09
5.5.50.0030.04320.05
5.5.40.0070.03720.07
5.5.30.0070.03720.10
5.5.20.0030.04019.95
5.5.10.0070.04020.06
5.5.00.0130.02720.06
5.4.450.0130.08019.11
5.4.440.0200.08019.29
5.4.430.0130.06019.29
5.4.420.0000.08319.38
5.4.410.0070.07718.98
5.4.400.0130.06319.03
5.4.390.0030.07718.98
5.4.380.0130.07319.23
5.4.370.0100.03718.78
5.4.360.0030.04319.09
5.4.350.0030.05019.05
5.4.340.0030.08019.09
5.4.320.0030.08018.90
5.4.310.0130.06719.14
5.4.300.0130.06719.05
5.4.290.0000.06719.14
5.4.280.0030.08318.97
5.4.270.0070.08318.96
5.4.260.0130.06719.11
5.4.250.0100.07019.05
5.4.240.0130.06718.80
5.4.230.0130.06719.14
5.4.220.0170.05018.93
5.4.210.0000.04019.14
5.4.200.0030.04019.09
5.4.190.0030.03718.95
5.4.180.0070.03318.80
5.4.170.0030.04019.02
5.4.160.0030.04018.76
5.4.150.0130.02719.21
5.4.140.0000.04316.29
5.4.130.0030.03716.27
5.4.120.0070.03316.36
5.4.110.0000.03716.21
5.4.100.0170.04016.25
5.4.90.0000.03316.36
5.4.80.0030.03316.36
5.4.70.0030.03016.29
5.4.60.0030.06016.18
5.4.50.0030.04316.23
5.4.40.0000.03716.43
5.4.30.0000.03316.20
5.4.20.0070.03316.34
5.4.10.0070.03316.18
5.4.00.0030.03715.82
5.3.290.0100.06714.52
5.3.280.0030.07314.58
5.3.270.0030.03714.46
5.3.260.0100.04314.55
5.3.250.0030.03714.61
5.3.240.0030.03314.55
5.3.230.0000.03314.41
5.3.220.0030.06014.55
5.3.210.0030.03714.56
5.3.200.0000.03714.55
5.3.190.0070.02714.55
5.3.180.0030.03014.55
5.3.170.0030.04014.55
5.3.160.0030.03314.50
5.3.150.0100.02714.54
5.3.140.0000.04714.51
5.3.130.0030.03714.50
5.3.120.0000.04014.53
5.3.110.0070.03014.55
5.3.100.0000.05714.03
5.3.90.0000.04313.85
5.3.80.0000.04014.02
5.3.70.0000.03313.95
5.3.60.0170.02313.98
5.3.50.0100.02713.92
5.3.40.0070.03313.80
5.3.30.0000.03313.86
5.3.20.0000.03713.67
5.3.10.0000.03713.60
5.3.00.0000.03313.61
5.2.170.0100.02012.34
5.2.160.0000.02712.34
5.2.150.0030.04012.34
5.2.140.0070.02712.34
5.2.130.0000.02312.34
5.2.120.0000.03012.34
5.2.110.0070.02312.34
5.2.100.0000.02712.34
5.2.90.0100.02012.34
5.2.80.0070.02312.34
5.2.70.0000.03012.34
5.2.60.0000.03012.34
5.2.50.0070.02312.34
5.2.40.0030.02312.34
5.2.30.0000.03012.34
5.2.20.0000.03012.34
5.2.10.0030.02712.34
5.2.00.0030.02312.34
5.1.60.0000.03012.34
5.1.50.0000.02712.34
5.1.40.0070.03312.34
5.1.30.0030.02312.34
5.1.20.0000.02312.34
5.1.10.0100.03312.34
5.1.00.0030.02312.34
5.0.50.0000.02312.34
5.0.40.0000.03712.34
5.0.30.0030.04012.34
5.0.20.0000.02312.34
5.0.10.0030.04312.34
5.0.00.0030.05712.34
4.4.90.0000.01712.34
4.4.80.0030.01312.34
4.4.70.0000.01312.34
4.4.60.0030.01312.34
4.4.50.0000.02012.34
4.4.40.0000.02712.34
4.4.30.0000.01312.34
4.4.20.0000.03712.34
4.4.10.0000.01712.34
4.4.00.0000.04012.34
4.3.110.0030.03312.34
4.3.100.0070.03012.34
4.3.90.0000.03712.34
4.3.80.0000.05312.34
4.3.70.0000.03712.34
4.3.60.0000.03712.34
4.3.50.0070.03012.34
4.3.40.0000.04312.34
4.3.30.0070.03012.34
4.3.20.0070.02712.34
4.3.10.0070.03012.34
4.3.00.0000.03712.34

preferences:
41.42 ms | 401 KiB | 5 Q