3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array(); $arr[0]="foobar"; echo "${arr[0]}"; echo "{$arr[0]}";

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)
8.3.60.0130.00716.38
8.3.50.0050.01117.51
8.3.40.0110.00418.84
8.3.30.0140.00018.98
8.3.20.0060.00318.90
8.3.10.0040.00418.90
8.3.00.0080.00019.50
8.2.180.0140.00716.50
8.2.170.0170.00322.96
8.2.160.0100.00320.35
8.2.150.0020.00524.18
8.2.140.0080.00024.66
8.2.130.0050.00226.16
8.2.120.0040.00419.95
8.2.110.0060.00320.95
8.2.100.0080.00417.91
8.2.90.0040.00719.32
8.2.80.0040.00419.21
8.2.70.0000.00917.63
8.2.60.0040.00417.93
8.2.50.0000.00818.07
8.2.40.0040.00418.23
8.2.30.0060.00318.13
8.2.20.0060.00317.59
8.2.10.0080.00017.81
8.2.00.0020.00517.67
8.1.280.0120.00625.92
8.1.270.0080.00024.66
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0030.00722.42
8.1.230.0030.00720.89
8.1.220.0050.00317.78
8.1.210.0030.00618.81
8.1.200.0000.00917.35
8.1.190.0000.00717.41
8.1.180.0030.00618.10
8.1.170.0040.00418.71
8.1.160.0040.00418.78
8.1.150.0040.00418.60
8.1.140.0050.00317.36
8.1.130.0030.00317.69
8.1.120.0040.00417.38
8.1.110.0000.00817.43
8.1.100.0050.00217.41
8.1.90.0060.00317.48
8.1.80.0070.00017.35
8.1.70.0030.00317.42
8.1.60.0060.00317.56
8.1.50.0000.00917.49
8.1.40.0050.00317.38
8.1.30.0030.00517.47
8.1.20.0000.00817.55
8.1.10.0040.00417.45
8.1.00.0000.00717.55
8.0.300.0040.00419.98
8.0.290.0000.00816.63
8.0.280.0070.00018.44
8.0.270.0000.00817.21
8.0.260.0030.00316.70
8.0.250.0050.00217.00
8.0.240.0050.00316.93
8.0.230.0000.00816.87
8.0.220.0030.00316.75
8.0.210.0000.00716.86
8.0.200.0000.00716.84
8.0.190.0000.00716.88
8.0.180.0000.01016.81
8.0.170.0090.00016.78
8.0.160.0030.00316.86
8.0.150.0030.00716.72
8.0.140.0060.00316.81
8.0.130.0070.00013.20
8.0.120.0050.00216.84
8.0.110.0040.00316.88
8.0.100.0050.00216.78
8.0.90.0040.00416.86
8.0.80.0060.01616.76
8.0.70.0000.00716.78
8.0.60.0070.00016.63
8.0.50.0070.00016.65
8.0.30.0130.00417.14
8.0.20.0070.01116.94
8.0.10.0000.00717.05
8.0.00.0090.01216.60
7.4.330.0000.00512.94
7.4.320.0030.00316.60
7.4.300.0070.00016.50
7.4.290.0090.00016.43
7.4.280.0000.00716.42
7.4.270.0050.00216.45
7.4.260.0050.00013.29
7.4.250.0000.00716.53
7.4.240.0000.00716.54
7.4.230.0000.00716.60
7.4.220.0090.00916.61
7.4.210.0070.00816.58
7.4.200.0070.00016.48
7.4.190.0030.00316.46
7.4.160.0160.00816.51
7.4.150.0090.00916.59
7.4.140.0070.01016.38
7.4.130.0070.01016.53
7.4.120.0080.00816.46
7.4.110.0030.01416.52
7.4.100.0120.00616.48
7.4.90.0070.01016.46
7.4.80.0120.00319.39
7.4.70.0090.00916.37
7.4.60.0140.00716.51
7.4.50.0070.00716.59
7.4.40.0140.00416.39
7.4.30.0110.00716.37
7.4.00.0050.01114.90
7.3.330.0060.00013.24
7.3.320.0030.00313.19
7.3.310.0000.00716.19
7.3.300.0000.00616.13
7.3.290.0040.01016.24
7.3.280.0070.01116.23
7.3.270.0090.00916.54
7.3.260.0090.00916.54
7.3.250.0070.01216.37
7.3.240.0060.01616.44
7.3.230.0030.01316.21
7.3.210.0060.00916.57
7.3.200.0130.00716.29
7.3.190.0110.00616.22
7.3.180.0040.01116.28
7.3.170.0060.01116.19
7.3.160.0140.00016.50
7.3.120.0050.01114.72
7.3.110.0080.00914.83
7.3.100.0040.01214.87
7.3.90.0070.00814.75
7.3.80.0000.01414.57
7.3.70.0080.00714.86
7.3.60.0030.01114.63
7.3.50.0060.00614.65
7.3.40.0060.00814.51
7.3.30.0060.00914.65
7.3.20.0080.00416.72
7.3.10.0080.00516.65
7.3.00.0030.01016.65
7.2.330.0120.00916.67
7.2.320.0130.01016.75
7.2.310.0090.01716.64
7.2.300.0070.01016.63
7.2.290.0130.00316.66
7.2.250.0060.01115.19
7.2.240.0040.01315.13
7.2.230.0030.01214.98
7.2.220.0020.01114.86
7.2.210.0050.01015.19
7.2.200.0080.00514.87
7.2.190.0090.00515.00
7.2.180.0070.00715.14
7.2.170.0060.00515.02
7.2.00.0000.01319.52
7.1.330.0070.00715.92
7.1.320.0060.00715.85
7.1.310.0070.00815.66
7.1.300.0040.00815.66
7.1.290.0070.00715.71
7.1.280.0020.01015.42
7.1.270.0070.00515.76
7.1.260.0030.00915.96
7.1.200.0090.00315.80
7.1.100.0060.00818.27
7.1.70.0050.00217.23
7.1.60.0110.01419.40
7.1.50.0030.00716.79
7.1.00.0070.06722.44
7.0.200.0190.00614.65
7.0.140.0070.07322.00
7.0.120.0000.03321.94
7.0.60.0130.05019.92
7.0.50.0100.05017.78
7.0.40.0130.06717.80
7.0.30.0030.05717.79
7.0.20.0100.08017.68
7.0.10.0100.05317.73
7.0.00.0030.08017.73
5.6.280.0000.07720.77
5.6.210.0000.04720.51
5.6.200.0030.05318.19
5.6.190.0000.08718.22
5.6.180.0070.07718.18
5.6.170.0130.07318.15
5.6.160.0030.08318.11
5.6.150.0130.07318.11
5.6.140.0070.08318.18
5.6.130.0130.07718.15
5.6.120.0030.05718.09
5.6.110.0070.08718.11
5.6.100.0130.06018.20
5.6.90.0070.06718.19
5.6.80.0030.08017.57
5.6.70.0100.05717.56
5.6.60.0130.07017.57
5.6.50.0070.06717.53
5.6.40.0100.06717.43
5.6.30.0100.04717.54
5.6.20.0030.07317.46
5.6.10.0100.04317.52
5.6.00.0100.03317.42
5.5.350.0300.06720.37
5.5.340.0100.05018.02
5.5.330.0100.07717.98
5.5.320.0030.05018.02
5.5.310.0130.06717.98
5.5.300.0130.07017.88
5.5.290.0070.08317.95
5.5.280.0030.08717.91
5.5.270.0130.07317.91
5.5.260.0030.05318.00
5.5.250.0070.08017.68
5.5.240.0000.06017.34
5.5.230.0070.07717.36
5.5.220.0070.06717.27
5.5.210.0100.04717.43
5.5.200.0070.06717.28
5.5.190.0070.06017.23
5.5.180.0070.05717.28
5.5.160.0030.03717.32
5.5.150.0030.04017.26
5.5.140.0030.04017.22
5.5.130.0100.03017.23
5.5.120.0000.04017.38
5.5.110.0070.03317.25
5.5.100.0000.04017.18
5.5.90.0030.03717.23
5.5.80.0030.03717.19
5.5.70.0070.03317.22
5.5.60.0070.03317.15
5.5.50.0030.03717.25
5.5.40.0030.03717.15
5.5.30.0030.03717.21
5.5.20.0000.04017.14
5.5.10.0030.03717.20
5.5.00.0030.03717.25
5.4.450.0170.06319.21
5.4.440.0070.06319.45
5.4.430.0100.06719.21
5.4.420.0030.04319.45
5.4.410.0030.04719.29
5.4.400.0070.06318.82
5.4.390.0000.08319.07
5.4.380.0130.06319.20
5.4.370.0170.06718.95
5.4.360.0100.07319.11
5.4.350.0000.06718.98
5.4.340.0070.03718.98
5.4.320.0000.04019.07
5.4.310.0000.04019.05
5.4.300.0030.03718.96
5.4.290.0000.04019.10
5.4.280.0000.04019.12
5.4.270.0070.03718.98
5.4.260.0030.03719.01
5.4.250.0030.03719.12
5.4.240.0030.03719.12
5.4.230.0000.04019.00
5.4.220.0030.03719.00
5.4.210.0070.03318.96
5.4.200.0030.03718.91
5.4.190.0170.02318.97
5.4.180.0070.03319.19
5.4.170.0100.03318.81
5.4.160.0070.03318.96
5.4.150.0070.03318.98
5.4.140.0030.03316.45
5.4.130.0000.03716.27
5.4.120.0000.03716.32
5.4.110.0000.03716.21
5.4.100.0070.03316.29
5.4.90.0100.03716.14
5.4.80.0000.03716.26
5.4.70.0030.04316.26
5.4.60.0030.03716.49
5.4.50.0100.06316.25
5.4.40.0130.07016.30
5.4.30.0070.07316.21
5.4.20.0100.06316.23
5.4.10.0070.05316.37
5.4.00.0000.04715.70
5.3.290.0030.03714.60
5.3.280.0030.04314.56
5.3.270.0130.02714.56
5.3.260.0070.05714.68
5.3.250.0030.03714.52
5.3.240.0030.03714.46
5.3.230.0000.04014.55
5.3.220.0070.03314.50
5.3.210.0000.04014.39
5.3.200.0030.03714.53
5.3.190.0070.03314.34
5.3.180.0000.03714.38
5.3.170.0030.03714.48
5.3.160.0030.03714.53
5.3.150.0070.06714.34
5.3.140.0030.08014.49
5.3.130.0070.03714.50
5.3.120.0100.03014.38
5.3.110.0000.04714.50
5.3.100.0000.04013.98
5.3.90.0100.07013.97
5.3.80.0000.04013.94
5.3.70.0100.05313.96
5.3.60.0030.08013.96
5.3.50.0030.08013.92
5.3.40.0130.06013.88
5.3.30.0030.04313.88
5.3.20.0100.07713.45
5.3.10.0070.04013.72
5.3.00.0130.06713.57
5.2.170.0070.06311.14
5.2.160.0100.06011.10
5.2.150.0030.04711.15
5.2.140.0030.06711.12
5.2.130.0030.05311.04
5.2.120.0030.04310.93
5.2.110.0070.02311.24
5.2.100.0000.04010.91
5.2.90.0070.06011.03
5.2.80.0000.06311.05
5.2.70.0030.05311.00
5.2.60.0030.06311.01
5.2.50.0070.04310.98
5.2.40.0000.04010.95
5.2.30.0070.03710.91
5.2.20.0030.06310.73
5.2.10.0070.06010.79
5.2.00.0100.05310.66
5.1.60.0000.06010.06
5.1.50.0030.0439.95
5.1.40.0030.0539.95
5.1.30.0100.03010.30
5.1.20.0070.02710.35
5.1.10.0100.05010.09
5.1.00.0000.05310.14
5.0.50.0070.0378.52
5.0.40.0030.0508.54
5.0.30.0070.0538.13
5.0.20.0070.0308.24
5.0.10.0000.0378.13
5.0.00.0030.0438.24
4.4.90.0030.0337.73
4.4.80.0000.0307.73
4.4.70.0030.0337.73
4.4.60.0000.0277.73
4.4.50.0000.0407.73
4.4.40.0000.0607.73
4.4.30.0030.0377.73
4.4.20.0000.0307.73
4.4.10.0000.0337.73
4.4.00.0000.0607.73
4.3.110.0030.0377.73
4.3.100.0000.0377.73
4.3.90.0030.0207.73
4.3.80.0030.0537.73
4.3.70.0070.0177.73
4.3.60.0030.0277.73
4.3.50.0030.0277.73
4.3.40.0000.0577.73
4.3.30.0000.0377.73
4.3.20.0000.0277.73
4.3.10.0000.0277.73
4.3.00.0000.0337.73

preferences:
49.26 ms | 401 KiB | 5 Q