3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array("a" =>"b", "c"=>"d"); if(isset($a['a'])) echo "hi"; else echo "hello"; $b = array("a","b","c"); if(in_array('a',$b)) echo "hi"; else echo "hello"; json_encode(array_merge(array("1","2"), array("2","3","4")));

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)
8.3.60.0120.00916.24
8.3.50.0100.00616.28
8.3.40.0110.00418.88
8.3.30.0120.00918.71
8.3.20.0040.00418.64
8.3.10.0000.00820.54
8.3.00.0000.00919.02
8.2.180.0210.00016.47
8.2.170.0110.00422.96
8.2.160.0160.00321.17
8.2.150.0020.00524.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0040.00419.83
8.2.110.0060.00619.21
8.2.100.0110.00017.78
8.2.90.0000.00819.34
8.2.80.0030.00517.97
8.2.70.0050.00317.63
8.2.60.0080.00018.05
8.2.50.0040.00418.07
8.2.40.0030.00518.34
8.2.30.0050.00218.00
8.2.20.0000.00817.64
8.2.10.0060.00317.52
8.2.00.0080.00517.53
8.1.280.0110.00625.92
8.1.270.0000.00724.66
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0040.00421.43
8.1.230.0110.00017.42
8.1.220.0040.00417.74
8.1.210.0060.00318.77
8.1.200.0060.00317.23
8.1.190.0040.00417.10
8.1.180.0080.00018.10
8.1.170.0000.00818.84
8.1.160.0030.00518.77
8.1.150.0000.00818.63
8.1.140.0060.00317.30
8.1.130.0000.00717.81
8.1.120.0000.00717.44
8.1.110.0040.00417.34
8.1.100.0040.00417.35
8.1.90.0000.00817.45
8.1.80.0000.00717.43
8.1.70.0070.00017.33
8.1.60.0040.00417.46
8.1.50.0000.00717.43
8.1.40.0090.00017.47
8.1.30.0000.00717.46
8.1.20.0060.00317.65
8.1.10.0000.00717.48
8.1.00.0030.00517.52
8.0.300.0050.00318.77
8.0.290.0040.00416.63
8.0.280.0000.00718.45
8.0.270.0000.00717.26
8.0.260.0030.00316.75
8.0.250.0030.00316.76
8.0.240.0040.00416.75
8.0.230.0020.00516.90
8.0.220.0070.00016.88
8.0.210.0080.00016.80
8.0.200.0030.00316.85
8.0.190.0030.00316.85
8.0.180.0040.00416.83
8.0.170.0050.00316.75
8.0.160.0040.00416.89
8.0.150.0000.00816.65
8.0.140.0070.00416.77
8.0.130.0030.00313.34
8.0.120.0000.00716.80
8.0.110.0070.00016.63
8.0.100.0000.00716.75
8.0.90.0000.00716.76
8.0.80.0090.00616.89
8.0.70.0040.00416.85
8.0.60.0000.00716.79
8.0.50.0050.00316.66
8.0.30.0080.01017.06
8.0.20.0120.00816.99
8.0.10.0000.00716.78
8.0.00.0080.01016.75
7.4.330.0050.00012.90
7.4.320.0030.00316.45
7.4.300.0000.00616.32
7.4.290.0060.00016.53
7.4.280.0000.00816.51
7.4.270.0000.00916.51
7.4.260.0000.00513.25
7.4.250.0060.00316.52
7.4.240.0080.00016.54
7.4.230.0030.00316.23
7.4.220.0110.00716.37
7.4.210.0090.00716.48
7.4.200.0080.00016.54
7.4.190.0030.00316.50
7.4.160.0060.00916.46
7.4.150.0180.00016.54
7.4.140.0080.01016.35
7.4.130.0100.00816.47
7.4.120.0110.00616.53
7.4.110.0100.00616.36
7.4.100.0040.01516.48
7.4.90.0130.00716.51
7.4.80.0130.00919.39
7.4.70.0030.01316.27
7.4.60.0150.00716.45
7.4.50.0080.00016.39
7.4.40.0110.00416.35
7.4.30.0120.00416.49
7.4.00.0000.01514.91
7.3.330.0000.00613.11
7.3.320.0030.00312.93
7.3.310.0030.00316.17
7.3.300.0040.00416.09
7.3.290.0030.01116.15
7.3.280.0120.00416.19
7.3.270.0090.01216.39
7.3.260.0130.00316.23
7.3.250.0090.00916.10
7.3.240.0000.02016.25
7.3.230.0110.01116.11
7.3.210.0130.00316.36
7.3.200.0060.00916.19
7.3.190.0080.01216.37
7.3.180.0130.00316.48
7.3.170.0110.00516.53
7.3.160.0170.00016.29
7.3.120.0060.00314.71
7.3.10.0160.00016.23
7.3.00.0080.00816.09
7.2.330.0000.01816.49
7.2.320.0040.01316.50
7.2.310.0090.00916.47
7.2.300.0040.01516.62
7.2.290.0130.00416.50
7.2.130.0110.00416.41
7.2.120.0030.01216.59
7.2.110.0050.00816.62
7.2.100.0050.01016.58
7.2.90.0080.00616.75
7.2.80.0090.00716.57
7.2.70.0100.00516.48
7.2.60.0110.00716.44
7.2.50.0090.00616.59
7.2.40.0050.00716.56
7.2.30.0040.00716.71
7.2.20.0050.00816.53
7.2.10.0050.00716.53
7.2.00.0110.00617.57
7.1.250.0070.00715.43
7.1.240.0000.00815.71
7.1.230.0090.00315.65
7.1.220.0040.00715.47
7.1.210.0100.00315.66
7.1.200.0000.00915.80
7.1.190.0120.00315.75
7.1.180.0000.01215.71
7.1.170.0050.00515.59
7.1.160.0000.00815.57
7.1.150.0070.00315.82
7.1.140.0060.00915.84
7.1.130.0060.00615.69
7.1.120.0000.00815.50
7.1.110.0040.00415.46
7.1.100.0050.00816.64
7.1.90.0040.00415.70
7.1.80.0040.00715.70
7.1.70.0050.00616.30
7.1.60.0070.01017.64
7.1.50.0090.00816.03
7.1.40.0060.00315.71
7.1.30.0040.00815.48
7.1.20.0000.01115.45
7.1.10.0090.00615.60
7.1.00.0020.03218.87
7.0.330.0000.01015.15
7.0.320.0080.00815.27
7.0.310.0030.00715.17
7.0.300.0100.00315.21
7.0.290.0030.01015.18
7.0.280.0100.00315.04
7.0.270.0030.00614.95
7.0.260.0030.00915.11
7.0.250.0070.00715.17
7.0.240.0080.00415.25
7.0.230.0060.00315.32
7.0.220.0000.01314.89
7.0.210.0030.00915.21
7.0.200.0070.00215.84
7.0.190.0000.00815.35
7.0.180.0090.00015.35
7.0.170.0060.00614.89
7.0.160.0180.00415.32
7.0.150.0000.01015.26
7.0.140.0050.03818.71
7.0.130.0060.00615.12
7.0.120.0020.03618.78
7.0.110.0060.00315.04
7.0.100.0040.01115.39
7.0.90.0060.04117.63
7.0.80.0100.04017.51
7.0.70.0220.02917.63
7.0.60.0350.03417.55
7.0.50.0280.03717.87
7.0.40.0080.04516.62
7.0.30.0070.04916.77
7.0.20.0030.04816.72
7.0.10.0050.04616.73
7.0.00.0070.04516.76
5.6.380.0030.01013.78
5.6.370.0030.00613.93
5.6.360.0110.00014.35
5.6.350.0030.00714.55
5.6.340.0090.00614.09
5.6.330.0090.00614.16
5.6.320.0040.00813.75
5.6.310.0090.00614.06
5.6.300.0060.00614.13
5.6.290.0030.00914.02
5.6.280.0050.03717.55
5.6.270.0070.00414.05
5.6.260.0030.01013.87
5.6.250.0060.00614.38
5.6.240.0050.03017.24
5.6.230.0060.03517.29
5.6.220.0080.02017.31
5.6.210.0080.04217.45
5.6.200.0110.02817.51
5.6.190.0100.04317.50
5.6.180.0120.04117.57
5.6.170.0080.03117.40
5.6.160.0110.04317.55
5.6.150.0080.04317.55
5.6.140.0070.04117.58
5.6.130.0050.04217.67
5.6.120.0030.04817.53
5.6.110.0090.02417.62
5.6.100.0090.04217.53
5.6.90.0070.02717.47
5.6.80.0120.03417.29
5.6.70.0050.04217.36
5.6.60.0070.04217.29
5.6.50.0050.04617.13
5.6.40.0050.04317.17
5.6.30.0080.04217.27
5.6.20.0080.03717.08
5.6.10.0100.02817.23
5.6.00.0150.03517.13
5.5.380.0050.04015.70
5.5.370.0140.03615.68
5.5.360.0060.04515.73
5.5.350.0000.05015.70
5.5.340.0050.03215.91
5.5.330.0090.04215.90
5.5.320.0090.03315.90
5.5.310.0040.02415.75
5.5.300.0130.03815.93
5.5.290.0030.03316.00
5.5.280.0090.04115.88
5.5.270.0030.02815.82
5.5.260.0060.04415.86
5.5.250.0020.04915.77
5.5.240.0050.03815.53
5.5.230.0070.03915.55
5.5.220.0040.04315.63
5.5.210.0080.02615.57
5.5.200.0090.03815.54
5.5.190.0030.02415.51
5.5.180.0070.04015.61
5.5.170.0070.00710.90
5.5.160.0020.03115.59
5.5.150.0030.02315.56
5.5.140.0060.03015.52
5.5.130.0060.02115.58
5.5.120.0070.04215.44
5.5.110.0030.04115.54
5.5.100.0070.02315.55
5.5.90.0070.02515.44
5.5.80.0120.03215.49
5.5.70.0050.02715.49
5.5.60.0080.03315.56
5.5.50.0040.03915.48
5.5.40.0100.01815.47
5.5.30.0030.04415.47
5.5.20.0040.02715.50
5.5.10.0030.04815.45
5.5.00.0100.03515.40
5.4.450.0060.04015.17
5.4.440.0030.04415.18
5.4.430.0040.03815.17
5.4.420.0030.04015.09
5.4.410.0030.03915.08
5.4.400.0070.02214.99
5.4.390.0100.03814.86
5.4.380.0070.03815.01
5.4.370.0030.04314.92
5.4.360.0030.03115.01
5.4.350.0090.03514.99
5.4.340.0050.04514.90
5.4.330.0080.00010.90
5.4.320.0050.02114.94
5.4.310.0020.02414.94
5.4.300.0110.02014.97
5.4.290.0070.03715.03
5.4.280.0100.03514.99
5.4.270.0040.03614.85
5.4.260.0050.04114.97
5.4.250.0080.04014.93
5.4.240.0020.02914.99
5.4.230.0090.03714.85
5.4.220.0130.03314.93
5.4.210.0060.03014.93
5.4.200.0070.01814.92
5.4.190.0050.03114.90
5.4.180.0060.02314.93
5.4.170.0030.02814.96
5.4.160.0050.04114.84
5.4.150.0070.04215.05
5.4.140.0050.02513.59
5.4.130.0050.03613.60
5.4.120.0020.02713.59
5.4.110.0090.03313.58
5.4.100.0070.03913.56
5.4.90.0030.02313.56
5.4.80.0060.03813.65
5.4.70.0020.04013.61
5.4.60.0070.02713.59
5.4.50.0030.04313.62
5.4.40.0030.02813.63
5.4.30.0010.02613.55
5.4.20.0020.02613.61
5.4.10.0090.03513.66
5.4.00.0030.04113.31
5.3.290.0050.02012.77
5.3.280.0000.03012.66
5.3.270.0060.04112.72
5.3.260.0120.02212.68
5.3.250.0040.04212.71
5.3.240.0020.04612.74
5.3.230.0000.04312.73
5.3.220.0050.04312.69
5.3.210.0070.02512.69
5.3.200.0050.03512.72
5.3.190.0050.02512.73
5.3.180.0050.04112.66
5.3.170.0030.04112.73
5.3.160.0020.02512.73
5.3.150.0020.02312.71
5.3.140.0050.04112.71
5.3.130.0060.03712.68
5.3.120.0080.02212.64
5.3.110.0050.03212.72
5.3.100.0050.03712.40
5.3.90.0110.03512.46
5.3.80.0090.02212.42
5.3.70.0070.02212.44
5.3.60.0080.02912.42
5.3.50.0060.03912.35
5.3.40.0040.02612.42
5.3.30.0090.03112.37
5.3.20.0080.02712.22
5.3.10.0030.03012.25
5.3.00.0020.03312.20
5.2.170.0030.03010.96
5.2.160.0060.03110.94
5.2.150.0070.02911.05
5.2.140.0030.03510.95
5.2.130.0000.02111.02
5.2.120.0050.03210.99
5.2.110.0050.01910.98
5.2.100.0070.03311.00
5.2.90.0030.02610.92
5.2.80.0000.02410.97
5.2.70.0020.03511.03
5.2.60.0050.02211.02
5.2.50.0120.02310.95
5.2.40.0050.02410.94
5.2.30.0000.02310.95
5.2.20.0050.02210.93
5.2.10.0020.01910.85
5.2.00.0090.01510.83
5.1.60.0080.01010.44
5.1.50.0050.01510.47
5.1.40.0080.01310.46
5.1.30.0000.01810.64
5.1.20.0020.01510.59
5.1.10.0070.01310.50
5.1.00.0050.01310.47
5.0.50.0040.0109.71
5.0.40.0040.0109.65
5.0.30.0030.0189.60
5.0.20.0050.0119.59
5.0.10.0040.0129.52
5.0.00.0030.0189.55
4.4.90.0000.0159.15
4.4.80.0020.0209.15
4.4.70.0020.0119.15
4.4.60.0020.0149.15
4.4.50.0010.0109.15
4.4.40.0020.0199.15
4.4.30.0020.0129.15
4.4.20.0030.0089.15
4.4.10.0030.0089.15
4.4.00.0020.0159.15
4.3.110.0000.0149.15
4.3.100.0040.0099.15
4.3.90.0020.0109.15
4.3.80.0010.0159.15
4.3.70.0000.0119.15
4.3.60.0020.0139.15
4.3.50.0020.0109.15
4.3.40.0050.0119.15
4.3.30.0040.0139.15
4.3.20.0010.0149.15
4.3.10.0020.0099.15
4.3.00.0000.0129.15

preferences:
50.25 ms | 401 KiB | 5 Q