3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var = array('a' => 1, 'b' => 2); echo $var['c'] ?? -1;

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)
8.3.60.0090.00618.18
8.3.50.0070.01621.07
8.3.40.0120.00318.56
8.3.30.0120.00318.77
8.3.20.0070.00020.04
8.3.10.0060.00323.64
8.3.00.0080.00019.68
8.2.180.0120.00616.63
8.2.170.0040.01122.96
8.2.160.0100.00320.38
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0110.00726.16
8.2.120.0040.00717.75
8.2.110.0030.00622.23
8.2.100.0090.00317.63
8.2.90.0040.00419.21
8.2.80.0000.00817.97
8.2.70.0050.00317.63
8.2.60.0000.00817.68
8.2.50.0030.00518.07
8.2.40.0000.00819.39
8.2.30.0050.00219.89
8.2.20.0080.00017.71
8.2.10.0000.00918.02
8.2.00.0080.00018.04
8.1.280.0070.00725.92
8.1.270.0120.00320.24
8.1.260.0040.00426.35
8.1.250.0050.00328.09
8.1.240.0070.00322.63
8.1.230.0060.00617.42
8.1.220.0030.00717.74
8.1.210.0040.00418.77
8.1.200.0030.00717.23
8.1.190.0040.00417.23
8.1.180.0000.00718.10
8.1.170.0050.00318.51
8.1.160.0050.00322.00
8.1.150.0000.00718.80
8.1.140.0080.00017.33
8.1.130.0030.00317.67
8.1.120.0000.00717.38
8.1.110.0080.00017.27
8.1.100.0070.00017.42
8.1.90.0040.00417.36
8.1.80.0000.00717.27
8.1.70.0040.00417.26
8.1.60.0040.00417.47
8.1.50.0000.00817.45
8.1.40.0050.00317.56
8.1.30.0060.00317.64
8.1.20.0040.00417.70
8.1.10.0000.00717.59
8.1.00.0070.00017.39
8.0.300.0000.00718.77
8.0.290.0000.00716.75
8.0.280.0040.00418.49
8.0.270.0070.00017.24
8.0.260.0060.00317.11
8.0.250.0080.00016.92
8.0.240.0030.00316.91
8.0.230.0030.00316.79
8.0.220.0040.00416.73
8.0.210.0040.00416.77
8.0.200.0030.00316.79
8.0.190.0040.00416.86
8.0.180.0050.00316.75
8.0.170.0020.00516.70
8.0.160.0000.00716.88
8.0.150.0050.00316.86
8.0.140.0040.00416.74
8.0.130.0060.00013.23
8.0.120.0030.00516.77
8.0.110.0030.00516.80
8.0.100.0000.00716.82
8.0.90.0040.00416.84
8.0.80.0100.00316.78
8.0.70.0040.00416.65
8.0.60.0070.00016.65
8.0.50.0020.00516.71
8.0.30.0060.01116.98
8.0.20.0100.00917.40
8.0.10.0000.00717.01
8.0.00.0090.00816.75
7.4.330.0000.00615.13
7.4.320.0030.00316.38
7.4.300.0000.00616.48
7.4.290.0060.00316.49
7.4.280.0040.00716.46
7.4.270.0000.00616.44
7.4.260.0030.00316.29
7.4.250.0000.00716.44
7.4.240.0000.00716.46
7.4.230.0030.00316.55
7.4.220.0080.01116.54
7.4.210.0080.00616.52
7.4.200.0030.00316.45
7.4.160.0090.00616.52
7.4.150.0060.01817.40
7.4.140.0090.00917.86
7.4.130.0050.01216.30
7.4.120.0080.00916.42
7.4.110.0060.01116.42
7.4.100.0080.01416.36
7.4.90.0070.01116.29
7.4.80.0110.00519.39
7.4.70.0080.00916.43
7.4.60.0030.01916.51
7.4.50.0040.00016.59
7.4.40.0130.00916.39
7.4.30.0100.00716.43
7.4.00.0050.01015.08
7.3.330.0000.00512.95
7.3.320.0060.00013.12
7.3.310.0030.00316.04
7.3.300.0060.00016.21
7.3.290.0000.00716.14
7.3.280.0100.00716.19
7.3.270.0190.00717.40
7.3.260.0070.01416.39
7.3.250.0100.00716.38
7.3.240.0140.00316.26
7.3.230.0070.01616.43
7.3.210.0090.00916.36
7.3.200.0100.01016.22
7.3.190.0060.01216.44
7.3.180.0100.01016.41
7.3.170.0080.00816.27
7.3.160.0140.02716.36
7.3.120.0040.01514.79
7.3.110.0150.00414.91
7.3.100.0000.01214.80
7.3.90.0080.00515.02
7.3.80.0060.00314.50
7.3.70.0090.00614.46
7.3.60.0070.00414.77
7.3.50.0040.01114.63
7.3.40.0030.01014.64
7.3.30.0090.00314.72
7.3.20.0040.01116.75
7.3.10.0120.00516.40
7.3.00.0110.00816.48
7.2.330.0090.00916.28
7.2.320.0070.01016.49
7.2.310.0130.00616.38
7.2.300.0100.01316.46
7.2.290.0070.01116.64
7.2.250.0090.00915.24
7.2.240.0090.00914.96
7.2.230.0040.01215.07
7.2.220.0090.00614.76
7.2.210.0070.00714.99
7.2.200.0000.01315.05
7.2.190.0070.00715.04
7.2.180.0030.01315.04
7.2.170.0070.00715.03
7.2.130.0150.00916.60
7.2.120.0080.00816.20
7.2.110.0030.00916.48
7.2.100.0080.00316.70
7.2.90.0150.00616.43
7.2.80.0130.00716.86
7.2.70.0160.00316.53
7.2.60.0130.00516.65
7.2.50.0120.00916.60
7.2.40.0080.00516.48
7.2.30.0100.00516.38
7.2.20.0080.00616.39
7.2.10.0090.00916.49
7.2.00.0030.00818.03
7.1.330.0100.00615.76
7.1.320.0070.00315.51
7.1.310.0000.01115.72
7.1.300.0040.00815.80
7.1.290.0050.00515.71
7.1.280.0030.00615.67
7.1.270.0080.00415.63
7.1.260.0000.01315.77
7.1.250.0090.00915.51
7.1.200.0060.00615.42
7.1.100.0210.00318.10
7.1.70.0040.01116.95
7.1.60.0070.00419.12
7.1.50.0170.00716.78
7.1.00.0070.07322.45
7.0.200.0000.00716.71
7.0.60.0100.08320.07
7.0.50.0030.08717.84
7.0.40.0100.06720.30
7.0.30.0530.06720.04
7.0.20.0270.03320.16
7.0.10.0100.07320.19
7.0.00.0000.09320.30
5.6.280.0070.06320.89
5.6.210.0100.07020.66
5.6.200.0130.03318.22
5.6.190.0170.05020.68
5.6.180.0270.07720.42
5.6.170.0100.05720.41
5.6.160.0070.03720.51
5.6.150.0000.05718.15
5.6.140.0030.08318.19
5.6.130.0070.03718.17
5.6.120.0100.05021.04
5.6.110.0100.07021.11
5.6.100.0070.03720.97
5.6.90.0070.08020.97
5.6.80.0100.08320.46
5.6.70.0100.04320.47
5.5.350.0330.07320.34
5.5.340.0000.04017.99
5.5.330.0100.04020.48
5.5.320.0330.07720.35
5.5.310.0270.04320.32
5.5.300.0070.03718.00
5.5.290.0170.07018.07
5.5.280.0000.04720.79
5.5.270.0030.09020.86
5.5.260.0070.04720.95
5.5.250.0100.04020.44
5.5.240.0200.08020.25
5.4.450.0830.05019.20
5.4.440.0670.05019.63
5.4.430.0570.05719.38
5.4.420.0600.05319.69
5.4.410.0530.06019.04
5.4.400.0670.04719.06
5.4.390.0670.06019.13
5.4.380.0670.05019.25
5.4.370.0600.05018.84
5.4.360.0730.04019.37
5.4.350.0730.04718.84
5.4.340.0730.07319.26
5.4.320.0630.05019.27
5.4.310.0630.05019.13
5.4.300.0600.05319.26
5.4.290.0630.05018.97
5.4.280.0530.06719.15
5.4.270.0670.04719.28
5.4.260.0670.04319.30
5.4.250.0600.05318.85
5.4.240.0600.05319.30
5.4.230.0600.05019.15
5.4.220.0630.04719.05
5.4.210.0700.04718.86
5.4.200.0530.05719.05
5.4.190.0700.04718.96
5.4.180.0800.04719.20
5.4.170.0770.04719.27
5.4.160.0530.05718.85
5.4.150.0600.05019.19
5.4.140.0630.04716.39
5.4.130.0700.04316.43
5.4.120.0600.05316.27
5.4.110.0570.05316.25
5.4.100.0770.05016.58
5.4.90.0700.05016.63
5.4.80.0700.05016.61
5.4.70.0300.06016.52
5.4.60.0300.04716.39
5.4.50.0000.04016.48
5.4.40.0030.05716.53
5.4.30.0030.04316.16
5.4.20.0070.04316.21

preferences:
49.17 ms | 401 KiB | 5 Q