3v4l.org

run code in 300+ PHP versions simultaneously
<?php $identite = ['nom' => 'Pierre']; $Pierre = 'Paul'; echo ${$identite['nom']};

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)
8.3.60.0040.01118.56
8.3.50.0130.00317.97
8.3.40.0100.00718.89
8.3.30.0090.00618.79
8.3.20.0000.00720.15
8.3.10.0040.00422.15
8.3.00.0040.00421.77
8.2.180.0160.00318.41
8.2.170.0090.00622.96
8.2.160.0070.00722.12
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0070.00022.30
8.2.120.0040.00426.35
8.2.110.0070.00322.20
8.2.100.0120.00017.97
8.2.90.0030.00518.22
8.2.80.0050.00317.97
8.2.70.0030.00517.50
8.2.60.0090.00018.04
8.2.50.0000.00818.18
8.2.40.0040.00420.57
8.2.30.0040.00419.34
8.2.20.0000.00718.09
8.2.10.0000.00718.05
8.2.00.0070.00018.04
8.1.270.0060.00320.11
8.1.260.0030.00526.35
8.1.250.0050.00328.09
8.1.240.0060.00324.05
8.1.230.0050.00520.94
8.1.220.0000.00817.74
8.1.210.0000.00918.77
8.1.200.0000.00817.35
8.1.190.0040.00817.35
8.1.180.0000.00718.10
8.1.170.0000.00818.64
8.1.160.0000.00818.95
8.1.150.0000.00820.18
8.1.140.0040.00417.69
8.1.130.0000.00719.01
8.1.120.0040.00417.39
8.1.110.0050.00217.46
8.1.100.0040.00417.45
8.1.90.0000.00817.49
8.1.80.0040.00417.34
8.1.70.0070.00017.44
8.1.60.0000.00817.59
8.1.50.0040.00417.53
8.1.40.0000.00717.53
8.1.30.0040.00417.63
8.1.20.0030.00617.54
8.1.10.0000.00817.61
8.1.00.0030.00617.51
8.0.300.0000.00720.01
8.0.290.0000.00916.75
8.0.280.0030.00318.35
8.0.270.0040.00417.25
8.0.260.0000.00718.42
8.0.250.0070.00016.98
8.0.240.0000.00816.98
8.0.230.0030.00316.94
8.0.220.0000.00716.92
8.0.210.0000.00716.90
8.0.200.0030.00316.84
8.0.190.0000.00816.97
8.0.180.0000.00716.89
8.0.170.0000.00816.95
8.0.160.0040.00416.86
8.0.150.0070.00016.76
8.0.140.0040.00416.87
8.0.130.0060.00313.35
8.0.120.0050.00316.83
8.0.110.0060.00316.88
8.0.100.0070.00016.75
8.0.90.0080.00016.92
8.0.80.0120.00316.88
8.0.70.0030.00516.70
8.0.60.0000.00816.88
8.0.50.0040.00416.88
8.0.30.0090.00817.01
8.0.20.0090.01017.40
8.0.10.0030.00516.86
8.0.00.0060.01216.83
7.4.330.0000.00515.55
7.4.320.0030.00316.60
7.4.300.0000.00616.63
7.4.290.0000.00716.39
7.4.280.0040.00416.58
7.4.270.0070.00016.48
7.4.260.0070.00016.62
7.4.250.0040.00416.56
7.4.240.0030.00316.56
7.4.230.0000.00716.60
7.4.220.0090.00916.54
7.4.210.0070.00816.42
7.4.200.0030.00516.69
7.4.160.0060.01416.52
7.4.150.0060.01217.40
7.4.140.0130.01017.86
7.4.130.0100.00916.47
7.4.120.0050.01316.47
7.4.110.0110.00716.62
7.4.100.0100.01016.58
7.4.90.0030.01416.49
7.4.80.0140.00419.39
7.4.70.0180.00416.64
7.4.60.0090.00616.59
7.4.50.0070.00816.54
7.4.40.0080.00816.59
7.4.30.0120.00416.59
7.4.00.0040.01215.06
7.3.330.0030.00313.13
7.3.320.0050.00013.20
7.3.310.0040.00416.21
7.3.300.0060.00016.28
7.3.290.0070.00016.18
7.3.280.0100.01016.19
7.3.270.0130.01217.40
7.3.260.0080.01116.40
7.3.250.0100.01016.27
7.3.240.0100.01116.36
7.3.230.0090.00916.27
7.3.210.0210.00616.28
7.3.200.0030.01316.22
7.3.190.0030.01316.30
7.3.180.0140.00616.18
7.3.170.0060.00916.21
7.3.160.0060.00916.34
7.3.10.0080.00816.02
7.3.00.0040.01116.19
7.2.330.0090.01216.60
7.2.320.0080.00816.57
7.2.310.0100.00716.50
7.2.300.0060.01316.66
7.2.290.0080.00816.51
7.2.130.0060.00816.71
7.2.120.0010.01216.57
7.2.110.0080.00816.71
7.2.100.0100.00316.66
7.2.90.0080.01116.63
7.2.80.0070.00716.70
7.2.70.0070.01116.45
7.2.60.0050.00716.50
7.2.50.0130.00816.57
7.2.40.0050.01216.50
7.2.30.0120.00516.46
7.2.20.0100.01016.58
7.2.10.0070.01116.61
7.2.00.0110.00216.58
7.1.250.0040.00915.56
7.1.240.0000.00915.72
7.1.230.0080.00315.50
7.1.220.0040.00715.70
7.1.210.0030.00915.71
7.1.200.0020.00915.68
7.1.190.0100.00615.62
7.1.180.0030.01015.53
7.1.170.0130.00015.48
7.1.160.0000.01415.80
7.1.150.0030.00615.62
7.1.140.0000.01115.24
7.1.130.0120.00315.72
7.1.120.0060.00615.71
7.1.110.0040.00415.53
7.1.100.0090.01115.74
7.1.90.0550.01015.83
7.1.80.0080.00815.92
7.1.70.0640.00915.39
7.1.60.0620.00824.15
7.1.50.0870.00724.31
7.1.40.0160.00824.12
7.1.30.0250.01023.96
7.1.20.0750.00824.26
7.1.10.0640.00715.11
7.1.00.0690.00915.27
7.0.330.0090.00615.29
7.0.320.0030.00615.18
7.0.310.0030.00715.40
7.0.300.0030.00714.93
7.0.290.0030.00915.22
7.0.280.0030.00615.23
7.0.270.0070.00715.21
7.0.260.0060.00315.45
7.0.250.0040.01115.37
7.0.240.0100.01115.60
7.0.230.0620.01015.66
7.0.220.0070.01215.49
7.0.210.0620.00715.00
7.0.200.0710.00915.23
7.0.190.0690.00515.11
7.0.180.0610.00914.73
7.0.170.0800.00614.73
7.0.160.0700.00814.68
7.0.150.0710.00914.72
7.0.140.0690.00914.76
7.0.130.0700.00714.98
7.0.120.0840.00814.80
7.0.110.0740.00914.83
7.0.100.0650.01014.88
7.0.90.0790.01314.79
7.0.80.0680.01115.05
7.0.70.0570.00614.83
7.0.60.0790.00814.81
7.0.50.0770.00814.90
7.0.40.0720.01313.99
7.0.30.0720.00614.07
7.0.20.1100.01013.83
7.0.10.0660.01213.73
7.0.00.0750.01013.70
5.6.380.0030.00813.86

preferences:
57.09 ms | 400 KiB | 5 Q