3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = ''; $arr[] = 'test'; 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)
8.3.60.0120.00318.31
8.3.50.0110.01116.46
8.3.40.0110.00418.98
8.3.30.0070.00718.80
8.3.20.0080.00020.16
8.3.10.0040.00422.09
8.3.00.0060.00319.57
8.2.180.0170.00318.40
8.2.170.0150.00622.96
8.2.160.0090.00919.40
8.2.150.0080.00024.18
8.2.140.0050.00224.66
8.2.130.0070.00020.52
8.2.120.0040.00426.35
8.2.110.0050.00520.99
8.2.100.0040.00717.91
8.2.90.0030.00619.05
8.2.80.0080.00017.97
8.2.70.0040.00417.75
8.2.60.0050.00217.93
8.2.50.0060.00318.10
8.2.40.0030.00622.14
8.2.30.0080.00019.12
8.2.20.0050.00218.11
8.2.10.0040.00418.08
8.2.00.0040.00418.05
8.1.280.0100.01025.92
8.1.270.0070.00022.08
8.1.260.0050.00226.35
8.1.250.0070.00728.09
8.1.240.0030.00721.47
8.1.230.0110.00019.15
8.1.220.0080.00017.74
8.1.210.0050.00318.77
8.1.200.0030.00617.35
8.1.190.0030.00619.13
8.1.180.0000.00718.10
8.1.170.0040.00418.50
8.1.160.0000.00718.75
8.1.150.0070.00018.87
8.1.140.0000.00719.46
8.1.130.0000.00718.81
8.1.120.0100.00017.36
8.1.110.0000.00917.28
8.1.100.0050.00317.42
8.1.90.0030.00517.42
8.1.80.0000.00717.29
8.1.70.0000.00717.39
8.1.60.0040.00417.50
8.1.50.0040.00417.51
8.1.40.0030.00617.53
8.1.30.0050.00317.69
8.1.20.0040.00417.50
8.1.10.0000.00817.50
8.1.00.0040.00417.43
8.0.300.0050.00320.11
8.0.290.0000.00816.75
8.0.280.0030.00318.37
8.0.270.0000.00717.06
8.0.260.0000.00618.72
8.0.250.0070.00016.91
8.0.240.0040.00416.99
8.0.230.0040.00416.82
8.0.220.0050.00316.88
8.0.210.0000.00716.85
8.0.200.0030.00317.01
8.0.190.0040.00416.96
8.0.180.0100.00016.80
8.0.170.0040.00416.93
8.0.160.0040.00416.95
8.0.150.0000.00716.81
8.0.140.0030.00516.90
8.0.130.0060.00013.28
8.0.120.0080.00016.84
8.0.110.0000.00816.74
8.0.100.0000.00716.75
8.0.90.0080.00016.92
8.0.80.0150.00616.84
8.0.70.0050.00316.80
8.0.60.0070.00016.77
8.0.50.0040.00416.77
8.0.30.0110.00717.06
8.0.20.0100.00817.40
8.0.10.0040.00417.05
8.0.00.0030.01416.62
7.4.330.0000.00415.55
7.4.320.0060.00016.54
7.4.300.0060.00016.51
7.4.290.0000.00716.51
7.4.280.0000.00916.40
7.4.270.0000.00716.48
7.4.260.0060.00316.59
7.4.250.0030.00316.60
7.4.240.0000.00716.49
7.4.230.0040.00416.45
7.4.220.0120.00916.61
7.4.210.0090.00616.46
7.4.200.0000.00716.49
7.4.160.0130.00616.52
7.4.150.0100.00917.40
7.4.140.0080.01017.86
7.4.130.0070.01116.43
7.4.120.0140.00716.51
7.4.110.0060.01116.58
7.4.100.0150.00616.62
7.4.90.0090.00916.49
7.4.80.0100.01019.39
7.4.70.0060.01316.40
7.4.60.0040.01216.46
7.4.50.0090.00616.57
7.4.40.0120.00916.52
7.4.30.0060.01316.52
7.4.10.0000.01115.06
7.4.00.0070.01014.95
7.3.330.0080.00013.14
7.3.320.0000.00513.16
7.3.310.0000.00716.39
7.3.300.0070.00016.29
7.3.290.0090.00716.28
7.3.280.0090.00616.23
7.3.270.0100.00617.40
7.3.260.0100.00916.26
7.3.250.0130.00616.42
7.3.240.0090.00916.41
7.3.230.0130.00316.49
7.3.210.0110.00716.32
7.3.200.0100.00716.60
7.3.190.0120.00916.53
7.3.180.0060.01016.65
7.3.170.0090.00616.46
7.3.160.0100.00716.37
7.3.130.0150.00315.02
7.3.120.0050.01314.86
7.3.110.0060.01114.53
7.3.100.0040.01014.96
7.3.90.0030.01214.85
7.3.80.0100.00314.92
7.3.70.0090.00514.87
7.3.60.0020.01114.80
7.3.50.0090.00314.73
7.3.40.0040.00614.66
7.3.30.0050.00714.79
7.3.20.0030.00916.68
7.3.10.0070.00416.52
7.3.00.0040.00616.61
7.2.330.0160.00016.30
7.2.320.0150.00716.52
7.2.310.0100.00616.38
7.2.300.0030.01416.46
7.2.290.0100.01316.57
7.2.260.0180.00414.70
7.2.250.0060.01014.89
7.2.240.0090.00814.93
7.2.230.0080.00814.89
7.2.220.0120.00314.99
7.2.210.0090.00514.83
7.2.200.0060.00914.87
7.2.190.0050.00815.00
7.2.180.0050.01014.81
7.2.170.0050.00914.98
7.2.160.0090.00614.94
7.2.150.0070.01016.96
7.2.140.0080.00616.63
7.2.130.0070.00316.89
7.2.120.0030.01016.66
7.2.110.0060.00616.90
7.2.100.0070.00316.83
7.2.90.0030.01316.73
7.2.80.0030.01316.89
7.2.70.0000.01016.63
7.2.60.0020.01116.83
7.2.50.0110.00316.84
7.2.40.0030.00916.92
7.2.30.0000.01516.86
7.2.20.0100.00616.84
7.2.10.0140.00316.85
7.2.00.0000.01216.59
7.1.330.0030.01015.74
7.1.320.0030.01015.67
7.1.310.0040.00815.60
7.1.300.0110.00415.76
7.1.290.0020.00815.61
7.1.280.0060.00615.64
7.1.270.0070.00615.74
7.1.260.0050.00715.63
7.1.250.0070.00715.83
7.1.240.0070.00715.83
7.1.230.0000.00815.48
7.1.220.0020.00715.66
7.1.210.0110.00015.53
7.1.200.0060.00515.67
7.1.190.0070.00315.53
7.1.180.0040.01115.70
7.1.170.0050.00515.52
7.1.160.0030.01015.56
7.1.150.0040.01115.89
7.1.140.0040.00415.71
7.1.130.0060.00915.56
7.1.120.0030.00715.55
7.1.110.0030.01015.31
7.1.100.0090.00615.30
7.1.90.0000.01115.71
7.1.80.0060.00616.97
7.1.70.0070.00816.43
7.1.60.0130.01225.42
7.1.50.0190.00625.16
7.1.40.0070.01425.04
7.1.30.0180.00524.98
7.1.20.0130.01125.11
7.1.10.0050.01116.11
7.1.00.0040.00915.93
7.0.330.0070.00715.39
7.0.320.0040.01115.50
7.0.310.0090.00315.24
7.0.300.0030.01015.40
7.0.290.0030.00615.33
7.0.280.0030.01015.36
7.0.270.0090.00615.16
7.0.260.0070.00315.20
7.0.250.0100.00315.38
7.0.240.0070.00715.38
7.0.230.0030.01015.45
7.0.220.0030.00515.10
7.0.210.0060.00315.26
7.0.200.0050.01116.11
7.0.190.0080.00916.06
7.0.180.0030.01215.91
7.0.170.0110.00316.02
7.0.160.0030.01015.82
7.0.150.0060.00915.78
7.0.140.0060.00715.79
7.0.130.0030.01016.00
7.0.120.0080.00815.81
7.0.110.0050.01015.83
7.0.100.0070.01015.94
7.0.90.0090.00615.84
7.0.80.0030.01015.96
7.0.70.0070.00715.90
7.0.60.0060.01015.72
7.0.50.0050.01315.87
7.0.40.0090.00614.93
7.0.30.0030.01214.98
7.0.20.0090.00615.05
7.0.10.0050.00914.93
7.0.00.0070.00414.90
5.6.400.0090.00614.62
5.6.390.0040.01114.64
5.6.380.0120.00014.38
5.6.370.0040.01114.56
5.6.360.0000.01514.61
5.6.350.0060.00314.57
5.6.340.0060.00614.62
5.6.330.0060.00614.32
5.6.320.0110.00414.37
5.6.310.0030.01314.27
5.6.300.0070.00714.45
5.6.290.0060.00914.63
5.6.280.0000.01214.21
5.6.270.0140.00014.36
5.6.260.0030.01414.71
5.6.250.0060.00614.37
5.6.240.0060.00614.16
5.6.230.0100.00314.48
5.6.220.0070.00414.37
5.6.210.0040.01114.28
5.6.200.0030.00614.27
5.6.190.0100.00314.32
5.6.180.0100.00314.02
5.6.170.0040.00814.29
5.6.160.0040.00814.63
5.6.150.0030.01014.29
5.6.140.0000.01514.08
5.6.130.0070.00714.37
5.6.120.0070.00714.21
5.6.110.0030.01014.22
5.6.100.0060.00614.40
5.6.90.0040.00714.06
5.6.80.0070.00714.43
5.6.70.0030.00614.28
5.6.60.0000.01314.17
5.6.50.0070.00414.20
5.6.40.0040.01114.50
5.6.30.0040.01114.13
5.6.20.0060.00914.21
5.6.10.0060.00614.31
5.6.00.0070.00714.27

preferences:
58.4 ms | 400 KiB | 5 Q